There is no partial settlement, no proration, and no pro-rata haircut. One outcome pays
100¢ and the other pays nothing.
Resting orders on the market are canceled as part of resolution, so cash reserved
against them is released.
Why a covered pair is worth exactly 100¢
Since exactly one outcome pays 100¢, holding oneyes and one no pays 100¢ no
matter which way the market goes. The pair carries no market risk at all.
That matters for reading your own book. If you hold both sides of a market, that part
of your position is settled in economic terms already: it pays 100¢ per pair whenever
the market resolves, and no price move between now and then changes the number.
Ladders settle rung by rung
Each rung of a survival ladder resolves independently against the same final valuation: every rung whose strike the valuation exceeded paysyes, and every rung above it pays no.
Because strikes are ordered, that is always a contiguous block from the bottom. A final
valuation of $1.4T on the ladder below:
Where the money shows up
A position is per market and per outcome. If you hold both
yes and no on one
market, that is two entries, not one net entry. Sum them yourself if you want a net
view — and remember a matched pair is worth 100¢, which is often the more useful way
to think about it than as two directional positions.