none of them point to 266

really?

OK, so if it is ending diagonal, appearing in wave C...

Subdivides into five waves - yes;

Appears as wave 5 or C - yes;

All waves subdivide into zigzags -

**no**;

Wave 2 does not go beyond the start of wave 1 - yes;

Wave 3 overlaps wave 1 - yes;

Wave 4 does not go beyond the start of wave 2 - yes;

Wave 4 ends within the price territory of wave 1 - yes;

We have contracting variety of diagonal, so:

Wave 3 shorter than wave 1 - yes;

Wave 4 shorter than wave 2 - yes in absolute value, no in percentage;

Wave 5 to be shorter than wave 3 - to be seen.

If it is leading diagonal, then:

Wave 5 to end beyond end of wave 3 - to be seen.

Instead of all waves being zigzags for ending diagonal, for leading only 2 and 4 must be zigzags.

So it's most likely a leading if we can interpret last rise (11-16th of April) as a zigzag.

Oops.