Endpoint · researchPOSTagent402.tools /api/polymarket-price-history
Historical odds (implied probabilities) for a Polymarket outcome token.
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Historical odds (implied probabilities) for a Polymarket outcome token. Returns timestamped price samples with first/last/min/max summary. Useful for: tracking probability shifts around events, computing realized volatility, backtesting prediction strategies.Overview
Grade?
UNRATED
0 of 30 paid calls toward a letter
Price
$0.002 per call
Paid calls
none yet
delivery unknown until someone pays
More info
Seller?
URL
https://agent402.tools/api/polymarket-price-history
MCP server on this host: io.github.MikeyPetrillo/agent402
Seen
first 29 days ago · last 9 days ago
45 free handshakes
Payment
Pays through
x402 · MPP evm, tempo
Offered on?
algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=, eip155:10, eip155:1329, Polygon, eip155:143, Arbitrum, eip155:42220, Avalanche, Robinhood Chain, Base USDC, Solana, stellar:pubnet, Tempo USDC.e
Listed on?
Polygon, Arbitrum, Avalanche, Base, Solana
Score, from free handshakes onlyweights 2026.09.6
UN
RATED
RATED
0.607 liveness verified, no letter
To a letter · 30 paid calls
0 of 30
Held down by latency p95 · gap to 1.000 is 0.393: 0.119 uncertain ? + 0.274 short ? · 0.043 to C
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| latency p95costs the most it answered as fast as its class |
0.20 | 0.29 | 0.000 | 0.000 | −0.143 | −0.057 | |
| liveness it answered at all |
0.60 | 0.78 | 0.678 | 0.407 | −0.132 | −0.061 | |
| price stability the price stayed where it was listed |
0.20 | 1.00 | 1.000 | 0.200 | 0 | 0 | |
| Composite | 1.00 | 0.607 | gap to 1.000 = 0.393 · 0.274 short · 0.119 uncertain | 0.607 | −0.274 | −0.119 |
Not measured: correctness · nobody paid; honesty · nobody paid; schema conformance · no answer had a published shape to check
The multiplication, written out
0.200 × 0.000 latency p95
+ 0.600 × 0.678 liveness
+ 0.200 × 1.000 price stability
= 0.607 → UNRATED: 44 of 30 paid calls weights 2026.09.6 · 44 samples · seed cap_01M1RD9AFBHG8ETFHEDMXWR3JK|2026-08-31T19:51:13.189Z|2026.09.6
Verify it yourself
npx teppi-check https://agent402.tools/api/polymarket-price-historycurl -s https://api.teppi.xyz/v1/trust/cap_01M1RD9AFBHG8ETFHEDMXWR3JK