Runway displays the number of days Olympus would maintain its current rate of emissions without any inflows to the Treasury or changes to the reward rate. Staking is a passive, long-term strategy. The increase in your stake of OHM translates into a constantly falling cost basis converging on zero. This means even if the market price of OHM drops below your initial purchase price, given a long enough staking period, the increase in your staked OHM balance should eventually outpace the fall in price.