Forum Discussion
mich800
Mar 07, 2020Explorer
time2roll wrote:mich800 wrote:
Butt...the market is not a zero sum game.
Lets say you purchased Tesla at $300. It goes up to $900. But the market is crashing and you sell to me on the way down to $700. Did you lose value? Did I gain at your expense? Or did we both win when Tesla closes at $750 the same day.
Still zero.
You purchase at $300, that day someone sold at $300. Zero sum.
Goes to $900. You made no transaction, Zero sum.
Trade shares at $700 with your buddy. Again zero sum.
Close price $750 is not a trade so zero sum one more time.
You may need to rerun the math. Person in my example made $400. And I would be even unless I sold at the end of trading day. Why are you assuming there is a buyer and seller that coincidentally have the exact cost basis?
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