A 62% price and a 54% price can describe different bets, even when both appear to cover the same election outcome. Read each contract’s resolution rules before treating the eight-point gap as an edge.
Educational content, not financial advice.
Start with the exact proposition
Open both contracts and copy the full question into a note. “Will Candidate A win the election?” may sound identical across two venues, but the operative language often sits below the headline.
Check whether each contract defines:
- The office, jurisdiction, and election being measured.
- The person or party that must win.
- The official source used for resolution.
- The deadline for a result.
- How a recount, court challenge, replacement candidate, cancellation, or delayed certification is handled.
A contract resolving on an official certification can remain open through a recount. Another resolving when a named news source calls the race may settle sooner. Those outcomes often align. They are still different exposures when the result becomes disputed or delayed.
Compare the outcome definitions line by line
The most useful comparison is a two-column table. Put the 62% contract on one side and the 54% contract on the other. Underline every word that narrows the outcome.
Look for words such as “official,” “declared,” “certified,” “by,” “before,” “according to,” and “regardless of.” A condition such as “by December 31” changes the bet materially if certification could occur after that date. A named candidate condition can also diverge from a party-wins condition if the nominee changes.
Do not assume a short market title contains the whole contract. The title helps traders scan; the rules determine what gets paid.
Turn the apparent spread into a realistic comparison
An eight-point difference starts as a simple observation: 62 minus 54 equals 8. It becomes actionable only after costs and contract differences are accounted for.
If you buy the 54-cent contract and it resolves yes, the gross payoff is typically $1 per contract. Your maximum gross gain is 46 cents before fees. If the market has a 3-cent spread and you cross it to enter, the price you actually pay may be higher than the displayed 54. Exit costs matter too if you plan to sell before resolution.
Write down:
- The best available ask, rather than the last traded price.
- The fee charged on entry, exit, or settlement.
- The number of contracts available at that ask.
- The price required to close the position if your thesis changes.
- The time until each contract resolves.
A displayed price is a reference point. Your executable price is the number that belongs in the comparison.
For a closer look at how a wide spread can change the risk you take, read What Happens When a Wide Spread Raises Your Trade Risk?.
Price the rule differences before calling it arbitrage
True arbitrage requires equivalent payoffs, reliable execution, and costs lower than the difference. Election contracts frequently fail the first condition.
Suppose the 62% contract resolves on an official certification and the 54% contract resolves on a media call by a fixed deadline. The lower price may reflect a real chance that the event is called but later contested, or that the deadline passes without the specified source making the required declaration. That difference has a value, even if it is hard to estimate.
Treat the gap as a question: “What risk is the cheaper contract asking me to hold?” Read the rules until you can state that risk in one sentence. If you cannot, the position is not ready for sizing.
Check liquidity before planning both sides
A comparison can look clean at one contract. It can fail when you try to place enough size to matter.
Review the order book at several price levels. A 54-cent offer for five contracts does not mean you can buy 100 contracts at 54 cents. Likewise, a position that looks hedged on paper can become exposed if one order fills and the other does not.
Set a maximum unhedged amount before entering. For example, if your plan requires both contracts, decide the dollar amount you are willing to hold if only the first order executes and the second market moves away. This is a prerequisite, not an afterthought.
Small accounts have less room for a mismatch, fees, and a sudden widening spread. Position size should reflect the maximum loss under the contract rules, including a failed hedge. Position sizing for small accounts starts with that constraint.
Use an approval checklist before placing an order
Keep the checklist short enough to use when prices move:
- I can explain how each contract resolves.
- I have compared executable bids and asks, plus every fee.
- I know the maximum loss if one leg fills and the other does not.
- I know when capital could remain tied up.
- I can state the specific rule difference that explains the price gap.
If one item remains unclear, save screenshots of the rules and wait. A missed price is easier to review than a contract purchased on an assumption.
Your next step is to choose two contracts that look equivalent, build the two-column rules table, and calculate the all-in entry cost using the live ask rather than the headline price.
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