Facts that change
Core about 5 min
| Fact | Value | As of | Source |
|---|---|---|---|
| Nifty 50 lot size | 65 | 5 Nov 2026 | NSE F&O bhavcopy 5 Nov 2026 (NewBrdLotQty) |
| Bank Nifty lot size | 30 | 5 Nov 2026 | NSE F&O bhavcopy 5 Nov 2026 |
| NSE equity-derivative expiry weekday | Tuesday (previous trading day if holiday) | from 1 Sep 2025 | NSE circular NSE/FAOP/68589 (17 Jun 2025): https://nsearchives.nseindia.com/content/circulars/FAOP68589.pdf ; bhavcopy expiry dates |
| Weekly expiries | Nifty only on NSE; Bank Nifty monthly/quarterly only | 5 Nov 2026 | NSE bhavcopy; SEBI circular 1 Oct 2024 |
| Index option style and settlement | European, cash-settled | Nov 2026 | NSE contract specification pages; SEBI circular 15 Oct 2026, para 4.9 |
| Stock option style and settlement | European (from 27 Jan 2011 expiries); physically settled (all stock derivatives by the Oct 2019 expiry) | Nov 2026 | SEBI circulars CIR/DNPD/6/2010 (27 Oct 2010) and SEBI/HO/MRD/DOPI/CIR/P/2018/161 (31 Dec 2018): https://www.sebi.gov.in/legal/circulars/dec-2018/physical-settlement-of-stock-derivatives_41482.html |
| STT on option sale | 0.15% of premium (was 0.1%) | from 1 Apr 2026 | NSE circular NSE/FATAX/73524 (Finance Act, 2026) |
| STT on exercised options | 0.15% of intrinsic value (was 0.125%) | from 1 Apr 2026 | NSE circular NSE/FATAX/73524 (Finance Act, 2026) |
| NSE option exchange transaction charge | 0.03553% of premium | from 1 Mar 2026 | NSE circular NSE/FA/73061 |
| Expiry-day extra ELM on short index options | 2% | from 20 Nov 2024 | SEBI circular 1 Oct 2024 |
| Expiry settlement window | Last 30 min of continuous trading (index from constituents' VWAP; stocks on VWAP across exchanges), from 7 Dec 2026 | circular 15 Oct 2026 | https://www.sebi.gov.in/legal/circulars/oct-2026/review-of-certain-aspects-of-the-closing-auction-session-market-timings-and-settlement-methodology-for-derivatives-contracts_105293.html (para 4.9) |
| RBI repo rate (used as ) | 5.50% | 7 Oct 2026 | RBI, Resolution of the MPC, 7 Oct 2026: https://www.rbi.org.in/scripts/BS_PressReleaseDisplay.aspx?prid=63742 |
| Nifty spot / Dec-26 future (examples) | 24,536.60 / 24,719.10 | close 5 Nov 2026 | NSE F&O bhavcopy |
| Nifty Dec-26 24,500 C/P; 24,700 C/P settlement | 587.65/370.90; 476.90/454.95 | 5 Nov 2026 | NSE F&O bhavcopy |
| MCX Gold Dec future (example) | ₹1,38,839 per 10 g | 2 Nov 2026 | News reports of 2 Nov 2026 (secondary; MCX bhavcopy not fetched) |
| Jane Street matter | Interim order 3 Jul 2025; ₹4,843,57,70,168 in escrow (PR 40/2025); most directions ceased 21 Jul 2025 (PR 45/2025); SAT reserved its order on the document-disclosure plea 21 Oct 2026 (press); no final order reported | 6 Nov 2026 | SEBI interim order and press releases (fetched 6 Nov 2026); NewsBytes for the SAT step |