Skip to content
Start learning

The instruction left standing by somebody you no longer are

In February you set a trigger to sell 250 shares at ₹880. In June the company sold the division that was the entire reason you owned it, and you decided to keep the rest for the income. In November the trigger fires — and the sale is made on the authority of a person who was overruled five months ago and never told.

Risk & PsychologyIntermediate13 min read
Browse Risk & Psychology(105)

In February you place a standing instruction: sell 250 shares if the price touches ₹880. It is a sensible thing to do and this track has recommended it repeatedly, because a decision taken calmly in February is worth more than a decision taken at 2:40 on a Tuesday afternoon by somebody who is at work and frightened. In June the company sells the division that was the whole reason you bought it. You reread the holding, decide that what remains is a reasonable income position, and are pleased with yourself for having reviewed it. In November the price touches ₹880 and 250 shares are sold — by you, in February, on the instructions of a person who has been out of date since the monsoon. The other version of this lesson is the same story with nothing happening at all: the price touches ₹880 in November and no order goes in, because the instruction expired in August and neither the app nor anybody else ever mentioned it again.

Think of it like this
The alarm set for a train you are no longer catching

On Tuesday you set an alarm for a quarter past four to catch Wednesday’s train. On Tuesday night the trip is cancelled, and the alarm is not a party to that conversation, so at a quarter past four the whole house wakes up. Nobody is confused about what happened. The alarm did exactly what it was told, by somebody who knew less than you do now. And the opposite failure is worse and quieter: the alarm you were sure you set, which never rings, and which you find out about by missing the train.

In the market

A resting instruction is an alarm with money attached. It cannot know about Tuesday night, and it is silent about its own existence in both directions.

The two failures, which look opposite and share a cause
It fires when it should not
  • The reason for owning the stock changed and the trigger did not. The number is still reachable; the case behind it is gone.
  • A corporate action moved the price series without moving the business, so the figure in the instruction is now measuring a different thing.
  • The size is stale. The 250 shares were a quarter of the position in February and are the whole of it now, because you sold the rest in July.
  • You are on a train, and the first you know about it is a message.
It does not fire when it should
  • The validity ran out. Every such facility has a maximum life set by the broker, and its expiry is not an event anybody announces to you.
  • The broker cancelled it at a corporate action — a common and entirely defensible thing to do, which leaves you unprotected at the exact moment the price has moved.
  • The trigger fired and the order that followed did not execute. A trigger releases an order; an order still has to find somebody on the other side.
  • A margin shortfall, a freeze or a change of segment blocked it, and nothing bounced back to tell you.

The corporate action problem

The most instructive failure is the one nobody chooses. A bonus issue or a stock split changes the number of shares and the price per share without changing what the company is worth to you; a demerger divides the price across two listings. On the [[ex-date]] a price of ₹900 becomes about ₹450 and the business has not moved a rupee. Every instruction you have ever written in the old currency now says something you never meant: a sell trigger at ₹1,000 has become unreachable, and a [[stop-loss order]] resting at ₹700 now sits far above the price and would fire immediately — on an event that is not a fall. Brokers know this and handle it, most commonly by cancelling the affected standing orders outright, which is the sane response and which leaves you, silently, without protection you believed you had. What no broker can do is rewrite your intention, because your intention is not a number anybody holds. The practical rule is short and it survives every difference in how brokers behave: any corporate action on a holding is a prompt to reread every standing instruction on that holding.

Worked example
The trigger that was right in February
A 250-share holding, bought at ₹712, with a sell trigger at ₹880
February — the instructionAgainst a cost of ₹712 that books a gain of about 23.6%, and the reason is written down. A good decision, taken well, by somebody with the facts of FebruarySell 250 if it touches ₹880
June — the reason endsYou reread the holding and decide to keep it as an income position. This is a genuine review and it is not a careless oneThe division is sold
What the June review never openedReviewing a holding and reviewing the instructions on a holding are two different screens, and by June the decision lived on the second oneThe orders screen
November — the instruction actsProceeds ₹2,20,000 against a cost of ₹1,78,000 — a realised gain of ₹42,000, and a tax event nobody had planned for this year250 shares sold at about ₹880
What it cost₹880 may still be an excellent price. The cost is that nobody chose it — the sale was decided in February by somebody who was overruled in June and never informedPossibly not one rupee
The version that is worseSame holding, same nine months, except the facility lapsed in August. The 250 shares sit through a fall, protected by an instruction that has not existed since the monsoon and was never mentioned againThe instruction that quietly expired
The two endings look like opposites and share one cause: a standing instruction is the only decision in your portfolio that never puts itself in front of you. Holdings appear every time the app opens. Instructions live on a screen most people visit only when placing one, which means the interval between placing and acting can run for months with nothing prompting a reread. The conclusion is emphatically not to stop using them — they remain among the most useful tools available to somebody with a job and a life, and lesson after lesson in this track argues for removing decisions from a future self who may be tired or afraid. The conclusion is that a decision taken in advance needs a review date in the same way a decision taken today needs a reason. Two dates belong on every standing instruction: the one it expires on, and the one you will next look at it. Only the first is set for you.

When to open the orders screen

  • On any corporate action affecting the holding. Bonus, split, demerger, rights, buyback. Whatever your broker did about it, your number now measures something else.
  • When the reason for the holding changes. The review is not finished when you have decided about the shares. It is finished when you have looked at the instructions attached to them.
  • When the position size changes. A trigger written for a quantity you no longer hold, or for a quantity that is now the entire position, is a different instruction from the one you wrote.
  • On a fixed date, roughly quarterly, whether or not anything has happened. The expiry nobody told you about can only be found by looking, and the quarterly sweep is the cheapest way to find it.
  • Before a long absence. The standing instructions are the part of the portfolio that keeps working while you are away — which is the argument for having them, and the reason to read them before you go.
Check yourself

A stop-loss trigger to sell at ₹700 has been resting since March. In September the company issues bonus shares one for one, so the price adjusts from about ₹900 to about ₹450 on the ex-date and your shareholding doubles. What should you assume about the instruction?

Simple bhasha mein
Alarm us train ka, jo ab pakadni hi nahi

February mein trigger laga diya: ₹880 pe 250 share bech dena. June mein company ne wahi division bech diya jiske liye share liya tha — aapne holding dobara dekhi, socha ab dividend ke liye rakhenge, aur khush bhi hue ki review kar liya. Par holding ka screen aur order ka screen alag hain, aur June ke baad faisla order wale screen pe reh gaya tha. November mein ₹880 chhua aur 250 share bik gaye: ₹2,20,000 mile, ₹1,78,000 lagat pe ₹42,000 ka munafa, aur ek tax jo is saal ke plan mein tha hi nahi. Bhaav bura nahi tha — baat yeh hai ki yeh faisla February wale aadmi ne liya, jise June mein hata diya gaya aur bataya kisi ne nahi. Ulta bhi utna hi hota hai: instruction August mein khud khatam ho gaya aur girawat mein aap bina bachaav ke baithe rahe. Har standing order pe do tareekh likho — kab khatam hoga, aur kab aap use dobara padhoge.

What to remember
  • A standing instruction protects a decision from your later judgement and from your later information alike.
  • It fails in two directions, and both are silent: acting on stale reasons, or having quietly expired.
  • A trigger only releases an order. The order can still go unfilled or be rejected.
  • Any corporate action rewrites what your price-based instructions mean, whatever the broker did about them.
  • Give every standing instruction two dates: when it expires, and when you will next read it.
Finished this lesson?

Mark it done to track your progress through the curriculum.