<blockquote>
<p>I tested right now only the <code>https://bisq-markets.appspot.com/api/volumes?basecurrency=BTC&interval=day</code> endpoint.</p>
</blockquote>
<p>I have done some digging and as far as I can tell the legacy system is missing data.<br>
Have a look at this for example:</p>
<p>Checking out the <code>/volumes</code> query old api reports 1 trade in period.</p>
<pre><code>$ curl -s 'https://markets.bisq.network/api/volumes?basecurrency=btc&interval=minute' | jq '.[] | select(.period_start == 1573138020)'
{
  "period_start": 1573138020,
  "volume": "0.01000000",
  "num_trades": 1
}
</code></pre>
<p>New api reports 2 trades in period.</p>
<pre><code>$ curl -s 'https://bisq-markets.appspot.com/api/volumes?basecurrency=btc&interval=minute' | jq '.[] | select(.period_start == 1573138020)'
{
  "volume": "0.02000000",
  "num_trades": 2,
  "period_start": 1573138020
}
</code></pre>
<p>Now lets check the <code>/trades</code> to see what the trades are:<br>
Old api:</p>
<pre><code> curl -s 'https://markets.bisq.network/api/trades?market=all&timestamp_from=1573138020&timestamp_to=1573138080'
[
    {
        "market": "btc_eur",
        "direction": "BUY",
        "price": "8337.80000000",
        "amount": "0.01000000",
        "volume": "83.37800000",
        "payment_method": "SEPA",
        "trade_id": "qkL80-3d40145c-460e-4116-a0b8-bb8c09bbe5ff-122",
        "trade_date": 1573138032443
    }
]%
</code></pre>
<p>New api:</p>
<pre><code>curl -s 'https://bisq-markets.appspot.com/api/trades?market=all&timestamp_from=1573138020&timestamp_to=1573138080'
[
  {
    "market": "btc_eur",
    "direction": "BUY",
    "price": "8335.85000000",
    "amount": "0.01000000",
    "volume": "83.35850000",
    "payment_method": "SEPA",
    "trade_id": "45349666-2d049416-69d0-42c6-8f9a-397f7939a691-122",
    "trade_date": 1573138067406
  },
  {
    "market": "btc_eur",
    "direction": "BUY",
    "price": "8337.80000000",
    "amount": "0.01000000",
    "volume": "83.37800000",
    "payment_method": "SEPA",
    "trade_id": "qkL80-3d40145c-460e-4116-a0b8-bb8c09bbe5ff-122",
    "trade_date": 1573138032443
  }
]
</code></pre>
<p>Trade ID: <code>45349666-2d049416-69d0-42c6-8f9a-397f7939a691-122</code> is not being reported by the old system.</p>

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