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Pre-open brief

TATAELXSI TATA ELXSI LIMITED

OverviewPrice & levelsF&OFinancials & peersCompanyas of Thu 15 Oct 15:30

TATA ELXSI LIMITED — on this desk since 26 Feb 2016.

implied move
4.4%
12 days to the expiry read
futures
short cover
price rose and open interest fell
basis
-0.04%
the future traded level with the share
option prices
43
dearer than 43 of the past 252 sessions

Option chain

as of Thu 15 Oct 15:30
CallsStrikePuts
What happenedPriceChange in OIOpen interestOpen interestChange in OIPriceWhat happened
short covering506.43−3,2501,03,1253,2002,05,500−34,3754.70long unwinding
short covering449.00−62544,2503,2501,58,250+13,7506.05short build-up
short covering403.55−4,62573,2503,3001,83,250−45,7507.50long unwinding
short covering351.80−1,62545,7503,3501,59,750−19,6259.65long unwinding
short covering307.50−8751,06,7503,4002,06,875−34,00012.50long unwinding
short covering261.15−4,62552,6253,45093,250−30,87516.60long unwinding
short covering218.55−16,62566,3753,5002,08,000−3,00022.85long unwinding
short covering179.50−6,50037,1253,55060,125−3,25032.35long unwinding
short covering139.80−60,5001,08,2503,600wall2,29,875+33,62544.45short build-up
short covering106.85−67,8751,19,0003,6501,32,250+19,50061.50short build-up
short covering79.65−1,28,3752,60,500wall3,700at the money1,30,625+9,00083.85short build-up
short covering57.30−10,1251,41,2503,75026,125+7,125111.30short build-up
short covering40.30−34,2501,84,2503,80039,375+7,000145.70short build-up
short covering28.20−31,50063,0003,8501,625+1,500181.70short build-up
short covering19.50−31,3751,38,6253,9002,500−125221.65long unwinding
long build-up14.05+7,75030,1253,950————
short covering10.15−1,06,1251,66,8754,00012,375+1,500308.55short build-up
long unwinding7.10−7,12512,6254,050————
long unwinding5.35−30,37554,3754,100375−875411.35long unwinding
short covering3.60−28,62566,1254,2002,2500493.61—
long build-up2.25+4,75054,5004,30027,1250592.40—

The options were priced for a move of about 4.4% by 27 Oct.

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Open interest

as of Thu 15 Oct 15:30

Short cover: price rose and open interest fell.

For this stock, 150 of 313 times the close 5 sessions later was higher.

Across every F&O stock, 50,957 of 98,536 times the close 5 sessions later was higher.

Basis, rollover and the ban

as of Thu 15 Oct 15:30

The future traded level with the share.

Not in the F&O ban this session; open interest stood at 132% of its market-wide limit.

Implied volatility

as of Thu 15 Oct 15:30

The options were priced for a move of about 4.4% by 27 Oct; over the sessions the desk holds it ranged 1.8–9.2%.

Option prices were dearer than 43 of the past 252 sessions.

Puts were priced dearer than calls the same distance out.

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Implied and realised around results

as of Thu 15 Oct 15:30
  • 13 Oct 2026: options priced about 6.7%; the share moved 11.2% by 14 Oct.

The futures, session by session

as of Thu 15 Oct 15:30
sessionfuturesimplied movebasisban
Thu 15 Octshort cover4.4%-0.04%
Wed 14 Octshort cover4.9%0.46%
Tue 13 Octshort cover6.4%0.73%
Mon 12 Octshort cover6.7%0.46%
Fri 9 Octshort cover6.9%0.71%
Thu 8 Octshort build7.3%0.62%
Wed 7 Octshort build7.1%0.54%
Tue 6 Octshort cover7.1%0.59%
Mon 5 Octlong build7.3%0.18%
Thu 1 Octlong build7.8%0.35%
Wed 30 Sepshort build7.5%0.01%
Tue 29 Seplong unwind7.4%-2.43%
Mon 28 Sepshort build7.4%-0.68%
Fri 25 Seplong build1.8%0.22%
Thu 24 Seplong unwind2.3%-0.21%
Wed 23 Sepshort build2.3%-0.07%
Tue 22 Sepshort build2.8%0.23%
Mon 21 Sepshort build3.0%0.40%
Fri 18 Sepshort build4.4%1.46%
Thu 17 Seplong build4.3%0.07%

After a name entered or left the ban

as of Thu 15 Oct 15:30
  • This stock, on entering the ban: 1 of 2 times the close 5 sessions later was higher — too few to read much into.
  • This stock, on leaving it: 1 of 2 times the close 5 sessions later was higher — too few to read much into.
  • Every F&O stock, on entering the ban: 755 of 1,496 times the close 5 sessions later was higher.
  • Every F&O stock, on leaving it: 747 of 1,496 times the close 5 sessions later was higher.

Before comparing across time

as of Thu 15 Oct 15:30

Open interest is in shares. Traded volume is in contracts before July 2024 and in shares after, so volumes are not compared across that change.

The lot size changed from 100 to 125 on 29 Apr 2026; contracts either side are compared in shares, not lots.