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One trade, ₹2,070, and then we sat still — SENSEX session review, 21 September

21 September 2026 · AlgoRishi
010409111621 Month-to-date cumulative P&L (signals book, 900 qty virtual) +₹41,902
Tracked on real market prices · virtual capital · past performance is not indicative of future results.

Monday, 21 September 2026. The machine took exactly one trade on SENSEX, held it for a few minutes, and banked ₹2,070. Then it sat still for the rest of the day.

If you came here hoping for a thriller, this is not it. But this is what most honest trading days actually look like, so let us walk through it properly.

1trade taken today
₹2,070day P&L
2.30points captured per unit
₹41,902month to date

The one trade

The engine maps support and resistance levels before the session and waits. It does not predict. It only acts when price actually breaks a level it has already drawn, and it enters with a fixed stop-loss, a planned scale-out, and a trailing floor that moves up behind the trade.

At 09:30 IST a level broke on the upside. The engine bought the 74700 call at ₹404.35 on 900 quantity. Price ticked up, the trailing floor followed it, price came back, and the floor was hit at ₹406.65. Out. Total move captured: 2.30 points, or ₹2,070.

SideStrikeEntryExitQtyExit reasonP&L
Buy CE74700₹404.35 (09:30)₹406.65 (09:30)900Trailing floor hit₹2,070

Look at that entry price honestly. ₹404.35 on 900 quantity is a large sum of premium in the market. And the whole day's take was 2.30 points of it — roughly half of one percent. That is the trade. No embellishment.

resistance level the engine had already drawn entry ₹404.35 high of the move trailing floor hit — exit ₹406.65 09:30 IST — the entire trade lasted minutes
Break above the mapped level, entry, a small run up, then the trailing floor catches the pullback.

Why such a tiny win is not a failure

Think of an auto-rickshaw driver on a rainy Monday. He gets one short fare in the morning and then the road goes quiet. He can either park and wait for a real fare, or he can drive around all day burning petrol chasing passengers who are not there.

The petrol is the point. Every extra options trade costs you brokerage, STT, and the bid-ask spread — and in a quiet, choppy tape, those costs eat you alive while the index goes nowhere. Sitting still after one trade is not laziness. It is the engine refusing to burn petrol.

A trailing floor does two jobs, and they pull in opposite directions. It protects a profit, and it cuts a runner short. On 21 September it did the first job. On a trending day it would have annoyed us by doing the second. You do not get one without the other.

The honest read on the trail

We are not going to pretend 2.30 points was skill. The trade moved up, the floor followed it, and the pullback was large enough to touch the floor before the move extended. Had the tape kept running, the same rule would have delivered far more. Had the tape reversed hard, the same rule would have saved us from a red day.

That is the trade-off we have chosen and we report it the same way whether it flatters us or not.

Where September stands

Eleven sessions recorded this month. Eight finished green, three finished red. Month to date is ₹41,902.

8green sessions
3red sessions
−₹26,200worst day (10 Sep)
+₹38,723best day (3 Sep)

Notice the shape of that. The worst day this month was bigger in rupee terms than eight of the green days. The month is positive because of two large green sessions, not because of a steady drip. Anyone who tells you options income arrives smoothly every day has not shown you their losing days.

SEBI's own studies have found that roughly 9 out of 10 individual F&O traders lose money. A single green day — ours or anyone's — says nothing about that base rate. Judge any system on its red days and its worst month, never on its best screenshot.

What Monday actually taught

Three things worth carrying into Tuesday.

If you are reviewing your own session tonight, write down the exit reason for every trade, not just the P&L. "I got scared" and "my rule fired" produce the same rupee figure some days — and completely different results over a year.

Tuesday is a fresh set of levels. We will report that one exactly the same way.

Disclosure: AlgoRishi publishes signal tracking on real market prices using virtual capital, for information and education only. Nothing here is investment advice or a recommendation to trade. Futures & options trading involves substantial risk of loss. Past performance is not indicative of future results. AlgoRishi is not a SEBI-registered investment adviser or research analyst.