db.listings.count({
    dated: {
        $in: [ISODate("2018-02-17T00:00:00Z"), ISODate("2018-02-16T00:00:00Z"),ISODate("2018-02-10T00:00:00Z")]
    },
    causelist_type: {$ne: -1}
})

{
    "plannerVersion" : 1,
    "namespace" : "provakil.listings",
    "indexFilterSet" : false,
    "parsedQuery" : {
        "$and" : [
            {
                "dated" : {
                    "$in" : [
                        ISODate("2018-02-10T00:00:00Z"),
                        ISODate("2018-02-16T00:00:00Z"),
                        ISODate("2018-02-17T00:00:00Z")
                    ]
                }
            },
            {
                "$nor" : [{
                    "causelist_type" : {
                        "$eq" : -1
                    }
                }]
            }
        ]
    },
    "winningPlan" : {
        "stage" : "FETCH",
        "filter" : {
            "$nor" : [{
                "causelist_type" : {
                    "$eq" : -1
                }
            }]
        },
        "inputStage" : {
            "stage" : "IXSCAN",
            "keyPattern" : {
                    "dated" : 1
            },
            "indexName" : "dated_1",
            "isMultiKey" : false,
            "isUnique" : false,
            "isSparse" : false,
            "isPartial" : false,
            "indexVersion" : 1,
            "direction" : "forward",
            "indexBounds" : {
                "dated" : [
                    "[new Date(1518220800000), new Date(1518220800000)]",
                    "[new Date(1518739200000), new Date(1518739200000)]",
                    "[new Date(1518825600000), new Date(1518825600000)]"
                ]
            }
        }
    },
    "rejectedPlans" : [{
        "stage" : "FETCH",
        "filter" : {
                "dated" : {
                        "$in" : [
                                ISODate("2018-02-10T00:00:00Z"),
                                ISODate("2018-02-16T00:00:00Z"),
                                ISODate("2018-02-17T00:00:00Z")
                        ]
                }
        },
        "inputStage" : {
            "stage" : "IXSCAN",
            "keyPattern" : {
                    "causelist_type" : 1
            },
            "indexName" : "causelist_type_1",
            "isMultiKey" : false,
            "isUnique" : false,
            "isSparse" : false,
            "isPartial" : false,
            "indexVersion" : 1,
            "direction" : "forward",
            "indexBounds" : {
                "causelist_type" : [
                    "[MinKey, -1.0)",
                    "(-1.0, MaxKey]"
                ]
            }
        }
    }]
}

{
    "plannerVersion" : 1,
    "namespace" : "provakil.listings",
    "indexFilterSet" : false,
    "parsedQuery" : {
        "dated" : {
            "$in" : [
                ISODate("2018-02-10T00:00:00Z"),
                ISODate("2018-02-16T00:00:00Z"),
                ISODate("2018-02-17T00:00:00Z")
            ]
        }
    },
    "winningPlan" : {
        "stage" : "COUNT",
        "inputStage" : {
            "stage" : "IXSCAN",
            "keyPattern" : {
                "dated" : 1
            },
            "indexName" : "dated_1",
            "isMultiKey" : false,
            "isUnique" : false,
            "isSparse" : false,
            "isPartial" : false,
            "indexVersion" : 1,
            "direction" : "forward",
            "indexBounds" : {
            "dated" : [
                    "[new Date(1518220800000), new Date(1518220800000)]",
                    "[new Date(1518739200000), new Date(1518739200000)]",
                    "[new Date(1518825600000), new Date(1518825600000)]"
                ]
            }
        }
    },
    "rejectedPlans" : [ ]
}