TATACHEM

TATACHEM — on this desk since 2 Jan 2006.

Prices before Wed 4 Mar 2020 are not comparable with today's. A corporate action in this security carries no published ratio, so nothing before that date can be put on the same share count — it is left out rather than shown unadjusted.

implied move
—
futures
no read
price or open interest did not move enough to say
basis
—
option prices
—
not enough history yet

Option chain

as of Tue 30 Sep 15:30

No option rows on this session.

No move could be read from the options for this session.

Open interest

as of Tue 30 Sep 15:30

No read: price or open interest did not move enough to say.

This stock has no settled cases of this class yet.

Basis, rollover and the ban

as of Tue 30 Sep 15:30

No basis on this session.

Not in the F&O ban this session.

Implied volatility

as of Tue 30 Sep 15:30

No move could be read from the options for this session; over the sessions the desk holds it ranged 1.6–8.5%.

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Implied and realised around results

as of Tue 30 Sep 15:30

No results meeting with an option chain on its eve yet.

The futures, session by session

as of Tue 30 Sep 15:30
sessionfuturesimplied movebasisban
Tue 30 Sepno read——
Mon 29 Sepno read——
Fri 26 Seplong unwind1.6%0.08%
Thu 25 Seplong unwind1.8%-0.01%
Wed 24 Sepshort cover2.3%0.13%
Tue 23 Sepshort build2.6%0.21%
Mon 22 Seplong unwind3.0%0.18%
Fri 19 Seplong build3.5%0.22%
Thu 18 Seplong unwind3.7%0.21%
Wed 17 Seplong build4.2%0.55%
Tue 16 Seplong build4.1%0.52%
Mon 15 Sepshort cover4.2%0.53%
Fri 12 Sepshort build4.2%0.24%
Thu 11 Seplong build4.5%0.62%
Wed 10 Sepshort cover4.2%0.40%
Tue 9 Sepshort cover4.3%0.28%
Mon 8 Sepshort cover4.4%0.39%
Fri 5 Seplong unwind4.6%0.27%
Thu 4 Seplong unwind4.7%0.22%
Wed 3 Sepshort cover4.8%0.62%

After a name entered or left the ban

as of Tue 30 Sep 15:30
  • This stock, on entering the ban: 5 of 9 times the close 5 sessions later was higher — too few to read much into.
  • This stock, on leaving it: 5 of 9 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 Tue 30 Sep 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 550 to 650 on 25 Apr 2025; contracts either side are compared in shares, not lots.