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Hyperbolic discounting and long-dated contract pricing

Would you rather have $100 today or $110 next week? Many people take the $100. But offered $100 in a year or $110 in a year and a week, most wait for the larger amount. Economists call this pattern hyperbolic discounting: we are much more impatient about delays that start now than about the same delays in the future. This SoftCta guide explains how that bias interacts with long-dated event contract prices.

The pattern

Standard economics assumes people discount future rewards at a constant rate, so preferences stay consistent over time. Experiments repeatedly find otherwise. People discount the near future steeply and the distant future gently, which produces preference reversals: a plan that looked sensible from afar is abandoned when the moment arrives. Research by economists such as David Laibson and psychologists such as George Ainslie formalised the idea.

Rational time value comes first

Before blaming bias, account for legitimate reasons to discount. Money tied up in a contract resolving in 18 months cannot earn interest elsewhere, as explained in our guide on the opportunity cost of locked collateral. If Treasury bills yield several percent a year, a contract paying $1 in a year has a present value below $1 even if the outcome is certain. Some venues pay interest on collateral or positions, which changes the calculation; check each venue's rules.

Where impatience shows up

• Preference for near-term markets: traders crowd into contracts that settle this week, leaving long-dated markets thinner, as discussed in our long-dated versus near-term guide.
• Premature exits: selling a long-dated position at a discount to reach cash sooner, even when the expected value of holding is higher after fees.
• Underpricing distant near-certainties: a very likely outcome far in the future may trade at a larger discount than time value alone would justify. That pattern is related to the favourite-longshot bias.

Separating bias from time value

• Estimate the probability of the outcome.
• Calculate the present value of a $1 payout at that date using a Treasury bill yield as the discount rate.
• Multiply probability by present value, then subtract fees.
• Compare with the market price.

If the price is close to your result, the discount is probably time value. If it is much lower, other factors such as impatience, illiquidity or resolution risk may be at work. Our break-even tool and guides on time decay and expiration dates help with the arithmetic.

Your own impatience

Write down in advance how long you are prepared to hold and what would make you exit. Reviewing past trades for exits you later regretted can reveal personal discounting patterns.

A reading habit

For any long-dated market, note the settlement date, the interest you could earn elsewhere and any resolution risk. Then compare with the price and verify live prices on the venue. Remember that event contracts involve substantial risk of loss.

Primary sources SoftCta readers open

• Behavioural economics research on hyperbolic and quasi-hyperbolic discounting
• Treasury bill yields as a reference for time value
• Venue rules on collateral, interest and settlement timing
• Your own records of exit timing

Reading the quote step by step

• Read the full title and rules, including the named settlement source and the time zone.
• Convert the Yes and No prices to implied probabilities and note the gap between them.
• Subtract fees and spread to see the effective price you would actually face.
• Write your own probability range and the evidence behind it, then compare.
• Check related and near-duplicate markets on other venues for consistency.

Closing SoftCta checklist

• Re-read the venue definition in your own words before reacting to a price.
• Convert prices with fee and spread awareness; verify live cents on the operator.
• Prefer primary settlement sources over secondary headlines and social summaries.
• Treat ChanceWire hubs, movers, and tools as orientation — not order entry.
• Confirm age, location, and product eligibility; SoftCta pages will not suggest location spoofing.
• If clarity is incomplete, watching is a complete SoftCta outcome — no pick-selling urgency required.

SoftCta habits

• Write your own probability range before checking the crowd price.
• Prefer dated primary sources over social summaries.
• Compare related markets when a single book looks extreme.
• Size curiosity with fees and depth in mind; substantial risk of loss.