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Skillsmassive-options-data

massive-options-data

Data & analytics

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Updated 10-16 00:20

About this skill

Massive Options Data

Data supply layer for US options market data. Wraps the Massive (Polygon) options REST endpoints with a thin, predictable Python interface.

This skill does NOT generate strategies, signals, rankings, or trading advice — it only exposes options data.

Plan: Developer — REAL field availability

We are on Massive Options Developer ($79/mo). Build your callers against what's actually present in the API responses:

Field Developer returns? Notes
details.* (ticker, strike, expiration, type) ✅ Always present.
implied_volatility ✅ Per contract, 15-min delayed.
greeks (delta, gamma, theta, vega) ✅ Per contract, 15-min delayed.
open_interest ✅ Per contract, previous session.
day.{open,high,low,close,volume,vwap} ✅ Option prices (previous session OHLC), 15-min delayed.
underlying_asset.ticker ✅ Always present.
underlying_asset.price ✅ Current underlying price, 15-min delayed.
last_trade (price, size, timestamp) ✅ Last trade, 15-min delayed.
last_quote (bid/ask) ❌ Still not returned on Developer. Cannot calculate real-time spread.
Historical IV / IV Rank / IV Percentile ❌ Not exposed on any plan; build your own historical series.

ATM filtering now uses real underlying price:

chain = massive_option_chain_snapshot("AAPL")
# No need for twelvedata — underlying price is now included!
spot_price = chain["results"][0]["underlying_asset"]["price"]
atm_low, atm_high = spot_price * 0.95, spot_price * 1.05
for contract in chain["results"]:
    strike = contract["details"]["strike_price"]  
    if atm_low <= strike <= atm_high:
        # This is an ATM contract

If you need real-time bid/ask quotes, upgrade to Advanced ($199/mo).

Pagination — required for any DTE-range scan

Chain snapshots paginate by ticker sort order. A 250-row first page often covers just one expiration. To get all contracts in a DTE window you MUST walk next_url (see massive_paginate in exports.py). Skipping this is the #1 reason a "0 results" scan looks broken.

Typical chain sizes for a single underlying with one expiration window can exceed 450 contracts. Allow at least 4 pages.

Script Usage

python3 - <<'EOF'
import sys, json
sys.path.insert(0, "/data/workspace/skills/massive-options-data")
from exports import (
    massive_option_chain_snapshot,
    massive_option_contract_snapshot,
    massive_option_trades,
    massive_option_quotes,
    massive_option_aggregates,
    massive_list_contracts,
    massive_paginate,
)

snap = massive_option_chain_snapshot(underlying="SPY", limit=10)
print(json.dumps(snap.get("results", [])[:2], indent=2))
EOF

Functions (exports.py)

Function Endpoint Purpose
massive_option_chain_snapshot(underlying, **filters) GET /v3/snapshot/options/{underlying} Full chain snapshot (price/greeks/IV/OI; quote+trade missing on Starter).
massive_option_contract_snapshot(underlying, option_ticker) GET /v3/snapshot/options/{underlying}/{contract} Single contract snapshot.
massive_list_contracts(underlying_ticker=None, **filters) GET /v3/reference/options/contracts Reference list of option contracts (active or expired).
massive_option_trades(option_ticker, **range) GET /v3/trades/{option_ticker} Historical trade ticks. Available on Developer+.
massive_option_quotes(option_ticker, **range) GET /v3/quotes/{option_ticker} Historical NBBO quotes. Still returns 403 on Developer. Requires Advanced.
massive_option_aggregates(option_ticker, multiplier, timespan, from_, to, **opts) GET /v2/aggs/ticker/{ticker}/range/... OHLCV bars. Minute + second bars on Developer, all bars on Advanced.
massive_paginate(url, params=None, max_pages=20) — Walk next_url cursor pagination.

All functions return the raw JSON from upstream. HTTP errors raise via Response.raise_for_status().

Hardening notes

  • Probe first, code second. Before writing a filter pipeline against a new endpoint, dump one full record and inspect actual fields. Saves hours of "why is everything filtered out?" debugging.
  • Null handling. greeks, last_quote, last_trade may be absent; keep as None, never fabricate.
  • Caller-id. Every call should include a caller_id so transparent-proxy can attribute usage.

Credentials

Set MASSIVE_API_KEY via the agent's secure input flow. The key is injected by sc-proxy when present; the local script also reads it from the environment so it works in BYOK setups.

Source of truth