Polymarket · Sports · event

Polymarket NPB Baseball (games & props) Historical Data

Tick-by-tick trades and order-book depth for every Polymarket “NPB Baseball (games & props)” contract — 83 trading days as downloadable day bundles, €1 per day.

Browse & buy NPB Baseball (games & props) days Polymarket venue data →Free sample contract →

Trading days

Coverage

June 2026 – September 2026

Archive size

3.73 GB

Price per day

€1

Activity & identifier

NPB Baseball (games & props) on Polymarket — activity

Trades and USD turnover summed over every contract of the series across 30 captured days to 2026-09-14, from the recorded tick data — the per-day averages divide by the captured days. Buy share, quoted spread (in contract price cents, 0..1 = 100 ¢), best-bid/ask depth and Level-2 update counts are turnover-weighted over the same window.

Slug prefix

npb-

Avg trades / day

361

Avg turnover / day

$14.4K

Captured days

Trades (30d)

10,818

Turnover (30d)

$430.9K

Contracts traded / day

Buy share

56 %

Avg spread

2.83 ¢

Top-1 depth

$2.9K

L2 updates / day

2.2M

Files on latest day

What's in a bundle

One purchase, the whole series for a day

A series-day bundle contains every NPB Baseball (games & props) contract that traded on Polymarket on that UTC day — 51 contract files on the latest covered day. Each file carries the full raw feed: every trade print with price, size and side, plus Level-2 order-book updates, in the same zstd-compressed schema as our crypto venues. Event contracts quote 0..1; turnover is USD-normalized.

Coverage runs June 2026 – September 2026 — 83 trading days, 3.73 GB compressed in total. A day typically holds 56 contract files (up to 104 on the busiest day, 144 MB). Pick individual days in the shop calendar for €1 each; delivery is an instant per-file download or one archive for the whole day.

Daily statistics

NPB Baseball (games & props) — last 30 days in the archive

Files, size, contracts traded, trades, USD turnover, buy share, quoted spread, top-of-book depth and order-book updates per UTC day, from the recorded tick data.

UTC day	Files	Size	Traded	Trades	Turnover	Buy share	Avg spread	Top-1 depth	L2 updates
2026-09-14	51	24.4 MB	6	287	$24.4K	95 %	1.76 ¢	$1.0K	974.9K	Buy day →
2026-09-13	52	46.4 MB	8	167	$12.0K	68 %	2.15 ¢	$2.0K	1.9M	Buy day →
2026-09-12	52	109 MB	8	385	$31.1K	50 %	2.52 ¢	$4.9K	4.4M	Buy day →
2026-09-11	48	23.4 MB	5	115	$9.6K	27 %	1.83 ¢	$423.72	930.5K

Contracts

Most traded NPB Baseball (games & props) contracts by day

The ten contracts with the most USD turnover per UTC day — open, high, low, close, VWAP and the outcome implied by the last print; the six previous days fold out below.

The 6 most traded NPB Baseball (games & props) contracts on 2026-09-14 — 1 closed Yes (≥ 0.97), 1 closed No (≤ 0.03), 4 still open at the last print: 287 trades, $24.4K USD turnover. The busiest contract was npb-han-chu-2026-09-14 with $24.0K turnover.

Contract	Open	High	Low	Close	VWAP	Implied outcome	Trades	Turnover	Buy share
npb-han-chu-2026-09-14	0.580	0.630	0.001	0.001	0.551	No	271	$24.0K	95 %	buy file →
npb-yok-yom-2026-06-26	0.998	0.999	0.990	0.997	0.997	Yes	4	$382.21	100 %	buy file →
npb-tok-hir-2026-09-15	0.600	0.610	0.600	0.600	0.603	open	6	$32.9	32 %	buy file →
npb-nip-chi-2026-09-15

Contract anatomy

How a NPB Baseball (games & props) contract trades

Trading window

5.9 days

Tick size

0.001

Contracts measured

Quoted in

pUSD

On Polymarket, a NPB Baseball (games & props) contract trades for about 5.9 days from open to close, and quotes in 0.1 ¢ price steps (0..1). Measured on the 6 contracts captured on 2026-09-14.

Free sample

Try a NPB Baseball (games & props) contract file for free

The busiest contract of a settled day, byte-identical to the files in the paid bundle — download the native tick file, a CSV/Parquet export, or replay its order book in the browser.

npb-toh-nip-2026-09-062026-09-06 (UTC) · 6.01 MB · 128 trades · $5.7K turnover · 0.560 → 0.999Full tick file: every trade print and Level-2 order-book update of the contract on that day, zstd-compressed JSON lines — no account needed.

Replay

Intraday profile

npb-toh-nip-2026-09-06 minute by minute — 2026-09-06

One-minute open/high/low/close, trades, USD turnover, quoted spread and top-of-book depth of the sample contract — the same 1-minute statistics every instrument’s analytics page offers.

npb-toh-nip-2026-09-06 traded in 76 of the day’s minutes (03:53–11:32 UTC): 128 trades, $5.7K turnover, opening at 0.560, ranging 0.250–0.999 and closing at 0.999.

FAQ

Polymarket NPB Baseball (games & props) data — FAQ

What Polymarket NPB Baseball (games & props) data can I download?

Tick-by-tick trades and Level-2 order-book depth for every contract of the NPB Baseball (games & props) series on Polymarket (51 contract files on the latest day). One bundle = one UTC day of the whole series.

How far back does the NPB Baseball (games & props) data go?

Coverage runs June 2026 – September 2026 — 83 trading days in total.

What format are the Polymarket files in?

One zstd-compressed text file per contract per UTC day, in the same normalized schema as our crypto venues — see the market-data specification; free samples on the downloads page.

Can I get Polymarket NPB Baseball (games & props) data as CSV or Parquet?

Yes — trades export as gzipped CSV or Parquet at no extra cost, with integer microsecond UTC timestamps that load straight into pandas, polars or DuckDB. Polymarket records full order-book depth without a separate BBO stream, so book data ships in the native tick file — the free reader script converts it locally. See the formats overview.

How much does Polymarket NPB Baseball (games & props) historical data cost?

€1 per series-day bundle — every contract of the series for that day, with invoice on checkout. Buy it in the Data Shop.

How many NPB Baseball (games & props) contracts trade per day on Polymarket?

On average 9 NPB Baseball (games & props) contracts had at least one trade per UTC day over the last 30 captured days on Polymarket, with about 2.2M order-book level updates recorded per day. A day bundle contains every contract file of the series for that day.

Topics

Topic hubs featuring this series

MLB & BaseballSports

Same topic

More sports series

MLB (games & props)Polymarket ATP Tennis (matches & props)Polymarket ITF Men's MatchKalshi League of Legends esportsPolymarket Counter-Strike 2 esportsPolymarket ITF Women's MatchKalshi FIFA World CupPolymarket NBA (games & props)Polymarket Challenger ATP Kalshi Pro Baseball Total PointsKalshi WTA Tennis (matches & props)Polymarket MLS SoccerPolymarket All sports series →

Traded = contracts with at least one trade that day. Buy share = taker-buy side of USD turnover. Avg spread = quoted bid-ask spread in contract price cents (0..1 = 100 ¢), weighted by turnover across the day’s contracts. Top-1 depth = mean of the best bid and best ask notional in USD, weighted by turnover. L2 updates = order-book level updates recorded across all contracts of the day. Days captured before the extended statistics show —.

Prices quote 0..1 (probability of Yes). Open/high/low/close/VWAP are that UTC day’s trade prints per contract; the implied outcome reads the last print — ≥ 0.97 as Yes, ≤ 0.03 as No, anything between as still open — venues publish the official result. Buy share = taker-buy side of turnover.

2026-09-13 — 8 contracts, 167 trades, $12.0K turnover

The 8 most traded NPB Baseball (games & props) contracts on 2026-09-13 — 5 closed Yes (≥ 0.97), 2 closed No (≤ 0.03), 1 still open at the last print: 167 trades, $12.0K USD turnover. The busiest contract was npb-fuk-chi-2026-09-13 with $7.1K turnover.

Contract	Open	High	Low	Close	VWAP	Implied outcome	Trades	Turnover	Buy share
npb-fuk-chi-2026-09-13	0.660	0.999	0.630	0.999	0.681	Yes	65	$7.1K	84 %	buy file →
npb-sai-nip-2026-09-13	0.530	0.550	0.001	0.003	0.213	No	27	$2.4K	16 %	buy file →
npb-han-chu-2026-09-13	0.610	0.840	0.010	0.010	0.352	No	43	$1.1K	70 %	buy file →
npb-yok-yom-2026-09-13	0.540	0.999	0.520	0.999	0.696	Yes	16	$672.99	39 %	buy file →
npb-ori-sai-2026-07-04	0.998	0.999	0.998	0.999	0.999	Yes	5	$615.17	100 %	buy file →
npb-tok-hir-2026-09-13	0.510	0.999	0.510	0.999	0.717	Yes	6	$69.28	66 %	buy file →
npb-han-chu-2026-09-14	0.590	0.590	0.580	0.580	0.590	open	4	$34.63	95 %	buy file →
npb-yok-tok-2026-09-09	0.987	0.989	0.987	0.989	0.989	Yes	1	$17.22	100 %	buy file →

2026-09-12 — 8 contracts, 385 trades, $31.1K turnover

The 8 most traded NPB Baseball (games & props) contracts on 2026-09-12 — 3 closed Yes (≥ 0.97), 2 closed No (≤ 0.03), 3 still open at the last print: 385 trades, $31.1K USD turnover. The busiest contract was npb-yom-han-2026-09-12 with $11.0K turnover.

Contract	Open	High	Low	Close	VWAP	Implied outcome	Trades	Turnover	Buy share
npb-yom-han-2026-09-12	0.410	0.999	0.410	0.999	0.678	Yes	105	$11.0K	32 %	buy file →
npb-ori-toh-2026-09-12	0.530	0.999	0.520	0.999	0.835	Yes	49	$10.8K	46 %	buy file →
npb-sai-nip-2026-09-12	0.510	0.930	0.260	0.510	0.557	open	116	$7.3K	83 %	buy file →
npb-chu-tok-2026-09-12	0.570	0.690	0.001	0.001	0.286	No	77	$1.0K	12 %	buy file →
npb-fuk-chi-2026-09-12	0.640	0.999	0.590	0.999	0.795	Yes	20	$838.83	83 %	buy file →
npb-hir-yok-2026-09-12	0.530	0.530	0.001	0.001	0.104	No	16	$95.41	42 %	buy file →
npb-tok-hir-2026-08-13	0.010	0.490	0.010	0.490	0.490	open	1	$26.63	100 %	buy file →
npb-fuk-chi-2026-09-13	0.660	0.660	0.660	0.660	0.660	open	1	$4.5	100 %	buy file →

2026-09-11 — 5 contracts, 115 trades, $9.6K turnover

The 5 most traded NPB Baseball (games & props) contracts on 2026-09-11 — 1 closed Yes (≥ 0.97), 1 closed No (≤ 0.03), 3 still open at the last print: 115 trades, $9.6K USD turnover. The busiest contract was npb-hir-yok-2026-09-11 with $9.5K turnover.

Contract	Open	High	Low	Close	VWAP	Implied outcome	Trades	Turnover	Buy share
npb-hir-yok-2026-09-11	0.470	0.790	0.001	0.001	0.354	No	108	$9.5K	26 %	buy file →
npb-ori-sai-2026-07-04	0.997	0.998	0.997	0.998	0.998	Yes	3	$27.25	50 %	buy file →
npb-tok-chu-2026-09-04	0.940	0.950	0.940	0.950	0.944	open	2	$7.87	100 %	buy file →
npb-hir-yok-2026-09-12	0.530	0.530	0.530	0.530	0.530	open	1	$3.68	0 %	buy file →
npb-han-hir-2026-09-10	0.640	0.640	0.540	0.540	0.540	open	1	$0.9	0 %	buy file →

2026-09-10 — 9 contracts, 237 trades, $10.7K turnover

The 9 most traded NPB Baseball (games & props) contracts on 2026-09-10 — 5 closed Yes (≥ 0.97), 2 closed No (≤ 0.03), 2 still open at the last print: 237 trades, $10.7K USD turnover. The busiest contract was npb-yom-chu-2026-09-10 with $7.3K turnover.

Contract	Open	High	Low	Close	VWAP	Implied outcome	Trades	Turnover	Buy share
npb-yom-chu-2026-09-10	0.560	0.999	0.330	0.999	0.660	Yes	96	$7.3K	65 %	buy file →
npb-fuk-nip-2026-09-10	0.560	0.999	0.470	0.999	0.767	Yes	46	$1.2K	31 %	buy file →
npb-chi-toh-2026-09-10	0.500	0.999	0.500	0.999	0.732	Yes	32	$904.32	91 %	buy file →
npb-yok-tok-2026-09-10	0.660	0.990	0.640	0.990	0.874	Yes	13	$678.81	67 %	buy file →
npb-ori-sai-2026-09-10	0.330	0.690	0.001	0.001	0.322	No	27	$345.24	86 %	buy file →
npb-han-hir-2026-09-10	0.590	0.640	0.590	0.640	0.599	open	17	$284.81	82 %	buy file →
npb-chi-fuk-2026-06-28	0.050	0.943	0.050	0.943	0.489	open	3	$29.86	95 %	buy file →
npb-yok-tok-2026-09-09	0.920	0.987	0.014	0.987	0.216	Yes	2	$4.17	95 %	buy file →
npb-tok-hir-2026-08-13	0.010	0.010	0.010	0.010	0.010	No	1	$0.33	0 %	buy file →

2026-09-09 — 10 contracts, 295 trades, $21.9K turnover

The 10 most traded NPB Baseball (games & props) contracts on 2026-09-09 — 3 closed Yes (≥ 0.97), 3 closed No (≤ 0.03), 4 still open at the last print: 295 trades, $21.9K USD turnover. The busiest contract was npb-fuk-nip-2026-09-09 with $9.6K turnover.

Contract	Open	High	Low	Close	VWAP	Implied outcome	Trades	Turnover	Buy share
npb-fuk-nip-2026-09-09	0.700	0.999	0.300	0.999	0.808	Yes	71	$9.6K	36 %	buy file →
npb-fuk-nip-2026-09-09	0.570	0.630	0.570	0.630	0.606	open	12	$3.4K	100 %	buy file →
npb-han-hir-2026-09-09	0.680	0.710	0.680	0.710	0.697	open	10	$2.7K	100 %	buy file →
npb-yom-chu-2026-09-09	0.710	0.999	0.500	0.999	0.888	Yes	24	$2.2K	97 %	buy file →
npb-ori-sai-2026-09-09	0.550	0.550	0.500	0.500	0.520	open	8	$2.0K	0 %	buy file →
npb-chi-toh-2026-09-09	0.210	0.999	0.160	0.999	0.652	Yes	57	$814.04	38 %	buy file →
npb-yok-tok-2026-09-09	0.570	0.980	0.310	0.920	0.600	open	57	$403.46	43 %	buy file →
npb-han-hir-2026-09-08	0.700	0.700	0.010	0.010	0.614	No	3	$325.34	54 %	buy file →
npb-han-hir-2026-09-09	0.720	0.720	0.010	0.010	0.369	No	30	$320.54	55 %	buy file →
npb-ori-sai-2026-09-09	0.430	0.450	0.010	0.010	0.278	No	23	$116.22	4 %	buy file →

2026-09-08 — 8 contracts, 382 trades, $12.9K turnover

The 8 most traded NPB Baseball (games & props) contracts on 2026-09-08 — 4 closed Yes (≥ 0.97), 1 closed No (≤ 0.03), 3 still open at the last print: 382 trades, $12.9K USD turnover. The busiest contract was npb-ori-sai-2026-09-08 with $5.3K turnover.

Contract	Open	High	Low	Close	VWAP	Implied outcome	Trades	Turnover	Buy share
npb-ori-sai-2026-09-08	0.500	0.500	0.001	0.001	0.454	No	66	$5.3K	64 %	buy file →
npb-fuk-nip-2026-09-08	0.500	0.999	0.500	0.999	0.770	Yes	35	$3.2K	83 %	buy file →
npb-chi-toh-2026-09-08	0.500	0.999	0.180	0.999	0.571	Yes	97	$1.6K	60 %	buy file →
npb-yok-tok-2026-09-08	0.310	0.999	0.110	0.999	0.457	Yes	133	$1.6K	71 %	buy file →
npb-yom-chu-2026-09-08	0.500	0.999	0.400	0.999	0.731	Yes	41	$803.35	37 %	buy file →
npb-han-hir-2026-09-08	0.500	0.740	0.500	0.610	0.689	open	7	$361.92	56 %	buy file →
npb-tok-chu-2026-09-04	0.500	0.500	0.500	0.500	0.500	open	2	$42.52	100 %	buy file →
npb-han-hir-2026-09-09	0.660	0.660	0.660	0.660	0.660	open	1	$25.75	0 %	buy file →

Minute (UTC)	Open	High	Low	Close	Trades	Turnover	Spread	Top-1 bid / ask
03:53	0.560	0.560	0.560	0.560	1	$56	1.59 ¢	$840.57 / $104.1
04:01	0.560	0.550	0.550	0.550	1	$109.99	2.00 ¢	$4.0K / $2.85
06:10	0.550	0.580	0.580	0.580	1	$23.2	1.01 ¢	$1.4K / $127.74
06:16	0.580	0.570	0.550	0.550	4	$1.2K	1.00 ¢	$196.52 / $1.0K
06:17	0.550	0.550	0.550	0.550	1	$6.1	1.01 ¢	$827.34 / $1.2K
06:18	0.550	0.550	0.550	0.550	2	$250.22	1.00 ¢	$1.7K / $943.5
06:20	0.550	0.550	0.550	0.550	1	$9.35	1.00 ¢	$1.7K / $914.06
06:21	0.550	0.550	0.550	0.550	1	$75.89	1.00 ¢	$1.7K / $840.87
06:23	0.550	0.550	0.550	0.550	2	$31.9	1.00 ¢	$1.7K / $817.7
06:26	0.550	0.550	0.550	0.550	1	$310.71	1.00 ¢	$1.7K / $676.7
06:27	0.550	0.550	0.550	0.550	2	$18.15	1.00 ¢	$1.7K / $490.6
06:30	0.550	0.550	0.550	0.550	1	$176.53	1.00 ¢	$1.7K / $411.11
06:35	0.550	0.550	0.550	0.550	1	$13.75	1.00 ¢	$1.7K / $271.35
06:38	0.550	0.550	0.550	0.550	2	$44.55	1.00 ¢	$1.3K / $572.81
06:39	0.550	0.530	0.530	0.530	1	$28.44	1.01 ¢	$213.49 / $1.8K
06:42	0.530	0.540	0.540	0.540	4	$51.84	1.00 ¢	$74.32 / $1.7K
06:44	0.540	0.540	0.540	0.540	2	$921.12	1.00 ¢	$30.52 / $1.6K
06:45	0.540	0.540	0.540	0.540	1	$35.64	1.00 ¢	$30.41 / $812.66
06:46	0.540	0.540	0.540	0.540	1	$93.41	1.00 ¢	$67.3 / $406.08
06:49	0.540	0.540	0.540	0.540	1	$20.52	1.00 ¢	$96.54 / $259.8
06:50	0.540	0.540	0.540	0.540	2	$12.42	1.00 ¢	$97.03 / $246.54
06:51	0.540	0.540	0.540	0.540	2	$141.47	1.00 ¢	$98.02 / $197.2
06:52	0.540	0.550	0.550	0.550	1	$365.15	1.01 ¢	$58.05 / $760.71
06:53	0.550	0.550	0.550	0.550	4	$20	1.00 ¢	$27 / $1.2K
06:59	0.550	0.550	0.550	0.550	1	$247.47	1.00 ¢	$27 / $1.2K
07:00	0.550	0.530	0.530	0.530	1	$5.3	4.91 ¢	$256.89 / $275.07
07:03	0.530	0.540	0.530	0.540	3	$54.97	6.49 ¢	$21.4 / $17.02
07:04	0.540	0.540	0.540	0.540	1	$3.53	2.63 ¢	$24.63 / $4.01
07:05	0.540	0.540	0.540	0.540	2	$44.28	2.80 ¢	$25.62 / $39.93
07:14	0.540	0.440	0.440	0.440	1	$7.38	7.50 ¢	$20.52 / $141.76
07:18	0.440	0.410	0.410	0.410	1	$11.48	9.74 ¢	$19.06 / $8.96
07:19	0.410	0.460	0.460	0.460	1	$1	6.19 ¢	$16.19 / $15.03
07:20	0.460	0.450	0.450	0.450	2	$2.99	9.92 ¢	$11.67 / $14.35
07:23	0.450	0.410	0.340	0.340	3	$7.49	13.1 ¢	$14.85 / $19.49
07:24	0.340	0.420	0.420	0.420	1	$2	17.7 ¢	$3.41 / $30.68
07:25	0.420	0.270	0.270	0.270	1	$2.69	5.68 ¢	$9.25 / $28.3
07:31	0.270	0.350	0.350	0.350	2	$2	9.42 ¢	$8.45 / $94.33
07:38	0.350	0.420	0.420	0.420	1	$21.2	24.5 ¢	$10.57 / $15.6
07:49	0.420	0.320	0.320	0.320	1	$1.11	4.98 ¢	$8.57 / $2.5
07:50	0.320	0.370	0.320	0.370	2	$8.06	14.1 ¢	$5.53 / $12.71
07:54	0.370	0.290	0.290	0.290	1	$7.55	8.72 ¢	$57.39 / $29.14
07:55	0.290	0.290	0.280	0.280	5	$17.69	8.05 ¢	$52.18 / $40.74
08:00	0.280	0.270	0.250	0.270	2	$0.97	5.77 ¢	$3.44 / $27.14
08:01	0.270	0.270	0.270	0.270	1	$0.36	7.74 ¢	$8.06 / $38.54
08:02	0.270	0.300	0.300	0.300	1	$2.1	9.79 ¢	$4.77 / $17.5
08:12	0.300	0.360	0.270	0.360	6	$88.46	2.98 ¢	$44.13 / $73.73
08:13	0.360	0.370	0.370	0.370	2	$32.56	6.95 ¢	$17.97 / $22.91
08:14	0.370	0.540	0.540	0.540	1	$2	9.47 ¢	$11.47 / $16.42
08:16	0.540	0.540	0.540	0.540	1	$3.44	16.4 ¢	$10.31 / $12.45
08:20	0.540	0.520	0.520	0.520	1	$2	7.08 ¢	$14.56 / $12.6
08:21	0.520	0.510	0.500	0.510	2	$53.77	5.46 ¢	$12.3 / $13.88
08:34	0.510	0.570	0.570	0.570	1	$11.87	7.85 ¢	$10.41 / $22.95
08:40	0.570	0.500	0.500	0.500	1	$1.5	5.69 ¢	$8.71 / $12.35
08:52	0.500	0.520	0.520	0.520	1	$2.6	5.87 ¢	$6.7 / $12.28
09:03	0.520	0.630	0.620	0.630	2	$73.39	10.1 ¢	$39.28 / $22.86
09:04	0.630	0.880	0.790	0.880	10	$142.16	4.04 ¢	$78.97 / $64.37
09:05	0.880	0.910	0.900	0.910	2	$10.4	4.73 ¢	$201.06 / $29.99
09:09	0.910	0.940	0.940	0.940	1	$47	5.04 ¢	$70.17 / $57.92
09:14	0.940	0.920	0.920	0.920	1	$4.7	4.60 ¢	$27.93 / $20.51
09:20	0.920	0.930	0.930	0.930	1	$13.29	2.23 ¢	$149.97 / $131.71
09:24	0.930	0.930	0.930	0.930	1	$0.93	41.9 ¢	$8.49 / $43.23
09:25	0.930	0.950	0.950	0.950	1	$10.52	35.9 ¢	$6.9 / $40.81
09:30	0.950	0.940	0.940	0.940	1	$14.73	2.83 ¢	$151.78 / $73.63
09:32	0.940	0.940	0.940	0.940	1	$6.58	2.12 ¢	$51.44 / $5.92
09:33	0.940	0.950	0.950	0.950	1	$4.83	1.03 ¢	$837.59 / $3.64
09:38	0.950	0.950	0.950	0.950	1	$1	1.28 ¢	$1.5K / $6.39
10:05	0.950	0.986	0.978	0.978	2	$92.86	14.3 ¢	$271.37 / $34.23
10:06	0.978	0.940	0.940	0.940	1	$8.46	8.05 ¢	$34.67 / $64.82
10:08	0.940	0.865	0.865	0.865	1	$6.73	5.74 ¢	$49.46 / $75.44
10:17	0.865	0.926	0.926	0.926	1	$19.45	4.74 ¢	$38.45 / $19.43
10:30	0.926	0.940	0.940	0.940	2	$2	65.2 ¢	$3.53 / $10.66
10:43	0.940	0.986	0.973	0.973	2	$49.17	10.6 ¢	$23.49 / $22.44
10:44	0.973	0.990	0.972	0.990	3	$79.83	3.16 ¢	$27.05 / $30.43
10:51	0.990	0.990	0.990	0.990	1	$148.95	0.90 ¢	$2.9K / $185.71
11:17	0.990	0.999	0.999	0.999	1	$155.83	0.90 ¢	$1.9K / $155.83
11:32	0.999	0.999	0.999	0.999	1	$185.71	0.90 ¢	$3.9K / $185.71

1-minute statistics computed from the recorded ticks; minutes without a trade are omitted. Spread in contract price cents; top-1 depth = resting notional at the best bid / best ask. Every minute of every day is in the free analytics; the raw ticks are in the sample file above.

How liquid are Polymarket NPB Baseball (games & props) contracts?

Over the last 30 captured days, the turnover-weighted quoted bid-ask spread was 2.83 ¢ (contracts quote 0..1 = 100 ¢), the mean best-bid/best-ask notional was about $2.9K per side, 56 % of USD turnover was taker-buy. These figures are computed from the recorded Level-2 order books and trade prints — the same data in the day bundles.

What was the most traded NPB Baseball (games & props) contract on 2026-09-14?

npb-han-chu-2026-09-14 — $24.0K USD turnover over 271 trades on Polymarket. The 6 most traded contracts of the series did 287 trades and $24.4K that UTC day. Open, high, low, close and VWAP per contract are listed on this page; the tick-level data is in the day bundle.