Observer
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- daily supervised print
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- manual CSV export
most of them expire worthless. that's the data.
{
"status": "preview",
"as_of": "2026-08-03T00:00:00Z",
"n": 60,
"data": [
{
"asset": "NVDA",
"spot": 182.4,
"strike": 185,
"type": "C",
"model": 1.18,
"delta": 0.41,
"theta": -0.34,
"rv": 42.8,
"n": 60
},
{
"asset": "GME",
"spot": 24.82,
"strike": 25,
"type": "C",
"model": 0.46,
"delta": 0.47,
"theta": -0.19,
"rv": 68.1,
"n": 60
},
{
"asset": "SPACEX",
"spot": 208.1,
"strike": 210,
"type": "P",
"model": 3.72,
"delta": -0.44,
"theta": -0.71,
"rv": 51.6,
"n": 48
},
{
"asset": "TSLA",
"spot": 318.6,
"strike": 320,
"type": "C",
"model": 2.08,
"delta": 0.45,
"theta": -0.63,
"rv": 55.2,
"n": 60
},
{
"asset": "PLTR",
"spot": 151.3,
"strike": 155,
"type": "C",
"model": 1.04,
"delta": 0.31,
"theta": -0.42,
"rv": 47.4,
"n": 60
},
{
"asset": "HOOD",
"spot": 109.7,
"strike": 110,
"type": "P",
"model": 0,
"delta": 0,
"theta": 0,
"rv": 0,
"n": 12,
"note": "insufficient depth"
}
]
}the request interface is ready. billing and fulfillment endpoints are not configured.
| ASSET | SPOT | STRIKE | TYPE | MODEL | DELTA | THETA | RV | n |
|---|---|---|---|---|---|---|---|---|
| NVDA | 182.40 | 185.00 | C | 1.18 | 0.41 | -0.34 | 42.8% | 60 |
| GME | 24.82 | 25.00 | C | 0.46 | 0.47 | -0.19 | 68.1% | 60 |
| SPACEX | 208.10 | 210.00 | P | 3.72 | -0.44 | -0.71 | 51.6% | 48 |
| TSLA | 318.60 | 320.00 | C | 2.08 | 0.45 | -0.63 | 55.2% | 60 |
| PLTR | 151.30 | 155.00 | C | 1.04 | 0.31 | -0.42 | 47.4% | 60 |
| HOOD | 109.70 | 110.00 | P | insufficient depth | — | — | — | 12 |
expired worthless at the most recent 00:00 UTC close.
a paper 25 C would have finished 3.1x model price
PAPER OUTCOME / CLOSED 00:00 UTCprices from Robinhood Chain RPC, Arcus public REST and Blockscout.
close-to-close and Parkinson realized-vol estimators. sample counts remain attached.
Black–Scholes–76 with r=0. no implied volatility exists because nobody quotes it.
T equals hours remaining to 00:00 UTC. prints are supervised and filed manually.