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Weekly notes from the desk.

Longer-form educational writing from the Trading Arc research team — strategy breakdowns, honest post-mortems, and the frameworks we actually use. Published every week during market hours. Nothing here is a recommendation.

Post-mortem
Apr 18 · 7 min read

We lost 1.6R on Bank Nifty this week — here's the exact mistake

A loss is only useful if you dissect it. Walkthrough of the trade, where our rules broke, and what we change going into next week.

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Framework
Apr 14 · 11 min read

Why option-chain open interest is mostly noise (and what isn't)

Everyone screenshots the OI table. Almost no one reads it right. The three columns we actually use and the five we ignore.

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Strategy
Apr 09 · 9 min read

Iron condors on expiry day — our adjustment playbook

A structured decision tree for when to leave a condor alone, when to roll, and when to take the loss and move on. With examples.

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Framework
Coming soon

The 3-minute pre-market bias sheet — our exact template

What we write down every day at 09:00 before the open — gap logic, global cues, and the one number that changes our bias.

Coming soon
Strategy
Coming soon

Calendar spreads around RBI policy — a study note

How front-month IV collapses post-event, why the back month holds, and where the edge hides in the term structure.

Coming soon
Post-mortem
Coming soon

The intraday short we should have held — and why we didn't

A winning trade exited too early. The psychology of premature profit-booking, with the log and the emotional tape.

Coming soon
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