> For the complete documentation index, see [llms.txt](https://docs2.dboe.exchange/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs2.dboe.exchange/dboe/contract-specifications.md).

# Contract Specifications

<table data-header-hidden><thead><tr><th width="156"> </th><th align="center">BNB Options</th><th align="center">SOL Options</th></tr></thead><tbody><tr><td></td><td align="center"><strong>BNB Options</strong></td><td align="center"><strong>SOL Options</strong></td></tr><tr><td><strong>Denomination currency</strong></td><td align="center">ERC20 USDT</td><td align="center">ERC20 USDT</td></tr><tr><td><strong>Option Exercise</strong></td><td align="center"><p>European style (An option may be exercised by the buyer only at expiry)</p><p></p><p>Post expiry, Short Option holders need to claim back the left-over collateral and Long Option holders need to claim the value of their Long Option via DBOE website or directly via DBOE’s Clearing Smart Contract</p></td><td align="center"><p>European style (An option may be exercised by the buyer only at expiry)</p><p></p><p>Post expiry, Short Option holders need to claim back the left-over collateral and Long Option holders need to claim the value of their Long Option via DBOE website or directly via DBOE’s Clearing Smart Contract</p></td></tr><tr><td><strong>Settlement Basis</strong></td><td align="center">Cash</td><td align="center">Cash</td></tr><tr><td><strong>Contract Size</strong></td><td align="center">1 BNB</td><td align="center">1 BNB</td></tr><tr><td><strong>Strike Price Intervals</strong></td><td align="center"><p>$10 interval</p><p></p><p>DBOE will list At-the-Money (ATM) strike put and call options and the next twelve strike prices above and below the ATM strike.</p><p></p><p>ATM strike refers to the strike price nearest to the level of the underlying price on the listing day.</p></td><td align="center"><p>$10 interval</p><p></p><p>DBOE will list At-the-Money (ATM) strike put and call options and the next twelve strike prices above and below the ATM strike.</p><p></p><p>ATM strike refers to the strike price nearest to the level of the underlying price on the listing day.</p></td></tr><tr><td><strong>Protection Range (%) (over spot price as of listing time)</strong></td><td align="center">For example, given underlying price of $250, protection range will be $50</td><td align="center">For example, given underlying price of $250, protection range will be $50</td></tr><tr><td><strong>Minimum Price Fluctuation</strong></td><td align="center">0.001</td><td align="center">0.001</td></tr><tr><td><strong>Contract Listing</strong></td><td align="center">Three nearest weeks</td><td align="center">Three nearest weeks</td></tr><tr><td><strong>Last Trading Day (LTD)</strong></td><td align="center"><strong>L</strong>ast Friday of the week</td><td align="center">Last Friday of the week</td></tr><tr><td><strong>Last Trading Time (LTT) on LTD</strong></td><td align="center">3 pm GMT (11 pm SGT)</td><td align="center">3 pm GMT (11 pm SGT)</td></tr><tr><td><strong>Final Settlement Price</strong></td><td align="center"><p>The underlying price will be the arithmetic average of three (3) price snapshots prior to the LTT on LTD.</p><p></p><p>DBOE will query for five (5) price snapshots prior to the LTT on LTD and pick the remaining three (3) snapshots after removing the minimum and maximum from the five.</p><p></p><p>DBOE reserves the right to amend this algorithm depending on prevailing market conditions in order to offer fairness and transparency to all market participants.</p></td><td align="center"><p>The underlying price will be the arithmetic average of three (3) price snapshots prior to the LTT on LTD.</p><p></p><p>DBOE will query for five (5) price snapshots prior to the LTT on LTD and pick the remaining three (3) snapshots after removing the minimum and maximum from the five.</p><p></p><p>DBOE reserves the right to amend this algorithm depending on prevailing market conditions in order to offer fairness and transparency to all market participants.</p></td></tr></tbody></table>