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Derivatives

Index options: chain, max pain, PCR, OI, GEX, VIX. The DocStoX MCP tools in this group, what each returns and the parameters it takes.

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get_options_analyticsPro

Get options analytics

One-shot options snapshot for an index or F&O stock: spot, max-pain, PCR (OI & volume), ATM implied volatility (atm_iv as a fraction, atm_iv_pct in percent), net GEX + gamma-flip, top call/put OI walls (resistance / support) and a plain-English read of which side option writers dominate. Suited to 'why is <index> stuck / moving' questions. Live during market hours, else the latest end-of-day snapshot (snapshot_date).

symbolrequired
F&O underlying. Index options: NIFTY, BANKNIFTY, FINNIFTY, MIDCPNIFTY, NIFTYNXT50 (NSE) and SENSEX, BANKEX (BSE). Stock options use the NSE symbol, e.g. RELIANCE.
expiryoptional
Option expiry date as YYYY-MM-DD, e.g. '2026-10-06'. Omit for the nearest expiry on or after today (IST); an expiry that has already settled is never picked by default.

get_option_chainPro

Get option chain

Compact option chain: ATM ± N strikes with CE/PE last price, OI, OI change, implied volatility (fraction: 0.14 = 14%) and delta.

symbolrequired
F&O underlying. Index options: NIFTY, BANKNIFTY, FINNIFTY, MIDCPNIFTY, NIFTYNXT50 (NSE) and SENSEX, BANKEX (BSE). Stock options use the NSE symbol, e.g. RELIANCE.
expiryoptional
Option expiry date as YYYY-MM-DD, e.g. '2026-10-06'. Omit for the nearest expiry on or after today (IST); an expiry that has already settled is never picked by default.
around_atmoptional
Strikes to include on EACH side of the at-the-money strike (1-20); 6 returns 13 strikes.

get_max_painPro

Get max pain

Daily max-pain / PCR / spot series (nearest unexpired expiry each day): where option writers anchor, and whether spot drifts toward or away from max-pain.

symbolrequired
F&O underlying. Index options: NIFTY, BANKNIFTY, FINNIFTY, MIDCPNIFTY, NIFTYNXT50 (NSE) and SENSEX, BANKEX (BSE). Stock options use the NSE symbol, e.g. RELIANCE.
daysoptional
Calendar days of daily history (1-365).

get_oi_buildupPro

Get OI buildup

Per-strike OI-buildup quadrants (long buildup, short buildup, short covering, long unwinding) for the latest end-of-day snapshot, with counts and the most-active strikes.

symbolrequired
F&O underlying. Index options: NIFTY, BANKNIFTY, FINNIFTY, MIDCPNIFTY, NIFTYNXT50 (NSE) and SENSEX, BANKEX (BSE). Stock options use the NSE symbol, e.g. RELIANCE.
expiryoptional
Option expiry date as YYYY-MM-DD, e.g. '2026-10-06'. Omit for the nearest expiry on or after today (IST); an expiry that has already settled is never picked by default.

get_pcr_trendPro

Get PCR trend

Put-Call Ratio (OI & volume) daily trend, with the latest value, min/max, rising/falling read and a bullish/bearish/neutral bias label.

symbolrequired
F&O underlying. Index options: NIFTY, BANKNIFTY, FINNIFTY, MIDCPNIFTY, NIFTYNXT50 (NSE) and SENSEX, BANKEX (BSE). Stock options use the NSE symbol, e.g. RELIANCE.
daysoptional
Calendar days of daily history (1-365).

get_gexPro

Get GEX

Gamma exposure: net GEX (Rs per 1% spot move, with a ₹ crore convenience field), gamma-flip level, and the largest positive / negative per-strike GEX clusters. GEX > 0 = dealers long gamma (pinning, mean-reverting); GEX < 0 = short gamma (moves amplified).

symbolrequired
F&O underlying. Index options: NIFTY, BANKNIFTY, FINNIFTY, MIDCPNIFTY, NIFTYNXT50 (NSE) and SENSEX, BANKEX (BSE). Stock options use the NSE symbol, e.g. RELIANCE.
expiryoptional
Option expiry date as YYYY-MM-DD, e.g. '2026-10-06'. Omit for the nearest expiry on or after today (IST); an expiry that has already settled is never picked by default.

get_fii_derivative_positioningPro

Get FII derivative positioning

FII derivatives positioning from NSE participant-wise open interest: index-futures long/short contracts with a net-long/short read, total F&O long minus short (in CONTRACTS, not rupees), the full participant OI breakdown, and the cash-market net flow (₹ crore) alongside.

daysoptional
Calendar days of daily history (1-365).

get_india_vixFree

Get india VIX

India VIX (NIFTY implied-volatility index) end-of-day series and latest reading, with 1-day change and 5-/20-session change in points.

daysoptional
Calendar days of daily closes in series (1-3650). The 5- and 20-session trends are computed independently of this window.

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