As part of the periodic review there has been revisions made to the lot sizes of derivative contracts on 28 stocks, effective from October 30, 2020. You can check this NSE circular announcing the change.
The lot size for 28 stock F&O contracts have been revised as follows.
Lot size reduced: Changes effective for November 2020 and later expires.
| Symbol | Present Market Lot | Revised Market Lot |
|---|---|---|
| ADANIENT | 4000 | 2000 |
| AUROPHARMA | 1300 | 650 |
| BALKRISIND | 800 | 400 |
| DIVISLAB | 400 | 200 |
| DRREDDY | 250 | 125 |
| ESCORTS | 1100 | 550 |
| GLENMARK | 2300 | 1150 |
| GMRINFRA | 45000 | 22500 |
| HCLTECH | 1400 | 700 |
| IDEA | 140000 | 70000 |
| INFY | 1200 | 600 |
| JUBLFOOD | 500 | 250 |
| SRF | 250 | 125 |
| TATACONSUM | 2700 | 1350 |
| TORNTPHARM | 500 | 250 |
Lot size reduced: Changes effective for January 2021 and later expires.
| Symbol | Present Market Lot | Revised Market Lot |
|---|---|---|
| RELIANCE | 505 | 250 |
Lot size increased: Changes effective for January 2021 and later expires.
| Symbol | Present Market Lot | Revised Market Lot |
|---|---|---|
| BANKBARODA | 8200 | 11700 |
| CANBK | 5000 | 5400 |
| COALINDIA | 3700 | 4200 |
| FEDERALBNK | 8500 | 10000 |
| INDUSINDBK | 800 | 900 |
| IOC | 5700 | 6500 |
| L&TFH | 6800 | 8300 |
| LT | 550 | 575 |
| M&MFIN | 3444 | 4000 |
| PNB | 14000 | 16000 |
| RBLBANK | 2600 | 2900 |
| SRTRANSFIN | 667 | 800 |
Why do exchanges revise the lot size?
SEBI mandates that the contract value of all F&O contracts remain between 5 to 10 Lakhs. In the periodic review(every 6 months), if the contract value of a scrip is beyond this range, there is an upward or downward revision in lot size.