Endpoint · market dataGETagent402.tools /api/options-chain ?symbol=AAPL
Option chain for a US-listed ticker: all listed expiration dates, the strike ladder, and per-contract bid/ask/last/volume/open-interest/implied-volatility for calls and puts at…
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Option chain for a US-listed ticker: all listed expiration dates, the strike ladder, and per-contract bid/ask/last/volume/open-interest/implied-volatility for calls and puts at one expiry (nearest by default, or pass `expiration` as YYYY-MM-DD). Backed by Yahoo Finance's options endpoint with the session-crumb handshake handled server-side.Overview
Grade?
UNRATED
4 of 30 paid calls toward a letter
Price
$0.005 per call
Paid calls
4
4 delivered
More info
Seller?
URL
https://agent402.tools/api/options-chain?symbol=AAPL
MCP server on this host: io.github.MikeyPetrillo/agent402
Seen
first 34 days ago · last 13 days ago
58 free handshakes
Payment
Pays through
x402 · MPP evm, tempo
MPP evm, tempo is offered but no paid call here went that way.
Offered on?
algorand:wGHE2Pwdvd7S12BL5FaOP20EGYesN73ktiC1qzkkit8=, eip155:10, eip155:1329, Polygon, eip155:143, Arbitrum, eip155:42220, Avalanche, Robinhood Chain, Base USDC, Solana, stellar:pubnet, Tempo 0x8335…2913
Listed on?
Polygon, Arbitrum, Avalanche, Base, Solana
Scoreweights 2026.09.3
UN
RATED
RATED
0.050 outcome verified, no letter
To a letter · 30 paid calls
4 of 30
Held back by sample size, not by the seller · gap to 1.000 is 0.950: 0.900 uncertain ? + 0.050 short ? · 0.400 to D
| Component | Weight | Measured | Lower bound ? | Adds | Short ? | Uncertain ? | |
|---|---|---|---|---|---|---|---|
| correctnesscosts the most the answer was right |
0.35 | 1.00 | 0.000 | 0.000 | 0 | −0.350 | |
| honesty it charged what it advertised |
0.25 | 1.00 | 0.000 | 0.000 | 0 | −0.250 | |
| liveness it answered at all |
0.15 | 1.00 | 0.000 | 0.000 | 0 | −0.150 | |
| schema conformance the answer matched the shape it published |
0.15 | 1.00 | 0.000 | 0.000 | 0 | −0.150 | |
| latency p95 it answered as fast as its class |
0.05 | 0.00 | 0.000 | 0.000 | −0.050 | 0 | |
| price stability the price stayed where it was listed |
0.05 | 1.00 | 1.000 | 0.050 | 0 | 0 | |
| Composite | 1.00 | 0.050 | gap to 1.000 = 0.950 · 0.050 short · 0.900 uncertain | 0.050 | −0.050 | −0.900 |
The multiplication, written out
0.350 × 0.000 correctness
+ 0.250 × 0.000 honesty
+ 0.150 × 0.000 liveness
+ 0.150 × 0.000 schema conformance
+ 0.050 × 0.000 latency p95
+ 0.050 × 1.000 price stability
= 0.050 → UNRATED: 4 of 30 paid calls weights 2026.09.3 · 4 samples · seed cap_01M1A59WYWW6YC3FCWETQ50RK8|2026-08-21T13:35:16.599Z|2026.09.3
Verify it yourself
npx teppi-check https://agent402.tools/api/options-chain?symbol=AAPLcurl -s https://api.teppi.xyz/v1/trust/cap_01M1A59WYWW6YC3FCWETQ50RK8