For compound and multicam clips in a timeline, playhead position is only maintained when *opening* the clip, not when closing the clip. This can facilitate blading the underlying clip to define a region for stabilization.
Unfortunately this requires hopping back to the timeline, moving forward to the 2nd position, then re-opening the MC or compound clip to mark the 2nd position. After you reposition the playhead while inside the MC or compound clip, this position is not maintained when you hop back to the timeline.
To my knowledge, returning from a compound or multicam clip to the timeline does not automatically position the playhead at the equivalent timecode in the collapsed clip. It only does that when jumping from the timeline to the CC or MC clip.
However it is straightforward to note the playhead timecode in the expanded CC clip then go to that place back in the timeline. It’s just an extra step.
Background: there are three separate entities that affect the timecode display beneath the viewer: playhead, timeline skimmer (tall red vertical cursor) and clip skimmer (short red vertical cursor that is only the height of a single clip). The playhead and timeline skimmer show timecode from start of the timeline or start of the opened compound or multicam clip. The clip skimmer shows timecode from start of the individual clip.
1. While inside opened multicam or compound clip, note the timecode displayed beneath the viewer at the desired *playhead* location. Do not have the skimmer on any clip or it will show individual clip timecode not timecode for the overall CC or MC clip.
2. Go back to timeline.
3. In timeline, use *clip* skimmer (not timeline skimmer or playhead) in MC clip to timecode obtained from step #1.
4. Carefully move cursor upward off the clip and click there. Playhead will jump to the clicked location. That is the exact place you were inside the CC/MC clip. This essentially translates the timecode at the playhead location inside the clip to the equivalent "timeline timecode" at the project level.
If you have trouble clicking the right place in the timeline, upon finding the correct timecode with the clip skimmer, press the "M" to mark that. The playhead will jump there.
This may sound like a complex procedure but once you've done it several times it is pretty fast.