LTP Change Chart: Call vs Put Premium Change

Where do I find the LTP Change chart?

Tap LTP Chg in the chain header, on either the CE side or the PE side. Both open the same chart. The number in the header cell is the current sum for that side. It works on the live chain (AOC Pro) and in the Back Tester.

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How is the LTP change sum calculated?

For each strike in the band around the current support and resistance, AOC takes the option's change from the previous close (the change shown in the LTP/Chg cell) and adds them up, separately for calls and puts. Because the band follows support and resistance, the strikes counted can change during the day when the levels shift.

What do the lines mean?

Tap a legend chip to hide a line. On the live chain the chart refreshes every 10 seconds.

• LTPChng CE (green): summed call premium change.
• LTPChng PE (red): summed put premium change.
• LTP (CE-PE) (blue): the call sum minus the put sum.
• Zero line (dashed grey): no change.

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How do I read it?

1. Look at the side of zero each line is on. Calls up and puts down is a bullish day for the index so far; the reverse is bearish.
2. Follow the blue line. Its crossing of zero is the moment the day's balance flips from puts to calls or back.
3. Compare the slope with price. If NIFTY makes a new high but the blue line does not, call premiums are not keeping up, often because of time decay or falling IV.
4. Confirm with time value and the future buildup before acting.

Worked example

NIFTY opens flat. By 10:30 the header reads LTP Chg 184 on the CE side and minus 236 on the PE side, and the blue line is at plus 420: a clearly bullish morning.

After 13:00 the blue line slides back to plus 90 even though NIFTY is only 20 points off its high. Calls are bleeding, puts are firming. You book part of a long call rather than wait for a fresh high.