Let's do the math.
You have 10K to invest back in 2012 or before. You bought common at 3 cents per share. So you would have:
10,000 / 0.03 = 333,333 WAMUQ
You traded all commons and bought P at $20 per share and would get:
10,000 / 20 = 500 WAMPQ
If 10B comes back, P will get $1000 per share while common will get 2.09 per share.
In the first case with common, you will get 333,333 * 2.09 = 696,666
In the second case with Preferred, you will get 500,000.
U wins over P.
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If 20B come back,
1) 333,333 * 4.18 = 1,392, 332
2) 500 * 2000 = 1M
U still wins over P.
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If 30B will come back:
1) 333,333 * 2.09 * 3 = 2,089,998
2) 500 * 3000 = 1.5M
U still wins over P.
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The "problem" is that you bought U very low and P semi high. Hope that when you sold U to swap for P, you sold U at a higher price than 3 cents. That's what happened to me, I sold U at higher than I bought and got P under 10 while it was tanking because people dumped it.