玩股撇步(動畫小學堂)  

  • 收帳和銷貨天數如果一直上升, 就要當心了!
  • 存貨在不同時期有不同的意義, 像是滯銷, 或是因為報價回升而屯貨, 或是積極備料, 這都需要去看存貨細項和判斷當時的情況來分辨
  • 當存貨增加時, 還需要注意增加的是不是商品或製成品. 如果是在製品或原物料, 反而有可能是供給不順沒法變製成品又或者是需求旺盛(短期營收趨勢向上)
  • 處在景氣下行的公司當存貨細項-原料和在製品的回升可能代表訂單開始回溫了
  • 當記憶體模組廠, 像是威剛、十銓存貨增加時, 有可能是在增加低價庫存, 代表著景氣循環來到相對低點, 也許就是建立部位的好時機
  • 當存貨提列減損損失,虧損認列在該年度,但是存貨價格回升後,之後年度也會直接回沖增加EPS,這種情況很容易在記憶體模組廠見到
  • 存貨一直增加,但是存貨銷售比沒什麼改變,可以推測是公司因為銷售良好而準備的存貨
  • 當淨營業週期(日)接近於0, 代表公司好像在做無本生意
平均收帳天數和平均銷貨天數-近20季
存貨銷售比
近3年股價
應收帳款周轉率 QoQ YoY存貨周轉率 QoQ YoY平均收帳天數 QoQ YoY平圴銷貨天數 QoQ YoY應付帳款付現天數 QoQ YoY淨營業週期(日) QoQ YoY
24Q2 (20)9.740.0-20.3618.173.326.719.350.1125.675.01-3.09-21.137.8412.6552.7-23.49-23.11-113.74
24Q1 (19)9.740.0-13.9617.5912.6822.159.340.016.175.17-11.32-18.233.593.6722.15-19.08-10.67-45.21
23Q4 (18)9.74-15.74-12.0115.614.414.349.3418.6813.635.83-4.27-4.1132.4011.239.98-17.24-13.65-13.72
23Q3 (17)11.56-5.48-7.8114.954.25-15.587.875.788.46.09-4.0918.4829.1317.5521.27-15.17-38.03-30.44
23Q2 (16)12.238.04-1.6914.34-0.42-15.67.44-7.461.646.350.4718.4724.78-9.896.35-10.9916.36-3.39
23Q1 (15)11.322.26-3.514.40-3.74-8.18.04-2.193.616.323.958.7827.50-6.650.66-13.1413.324.51
22Q4 (14)11.07-11.72-14.1914.96-15.53-7.148.2213.2216.66.0818.297.6129.4622.653.55-15.16-30.353.75
22Q3 (13)12.540.8-13.717.714.2411.597.26-0.8215.975.14-4.1-10.324.023.09-6.68-11.63-9.4115.36
22Q2 (12)12.446.05-12.9516.998.423.797.32-5.6714.915.36-7.75-3.623.30-14.71-4.63-10.6322.7515.03
22Q1 (11)11.73-9.07-18.2615.67-2.73-7.447.7610.0722.45.812.838.1927.32-3.9715.32-13.7612.63-14.86
21Q4 (10)12.90-11.22-21.7716.111.51-2.017.0512.6227.725.65-1.41.9928.4510.5315.6-15.75-14.63-16.24
21Q3 (9)14.531.68-17.9115.87-3.05-8.06.26-1.7321.795.733.068.5225.745.366.98-13.74-9.83-0.66
21Q2 (8)14.29-0.42-7.8116.37-3.31-2.966.370.478.525.563.543.1524.433.121.5-12.51-4.422.34
21Q1 (7)14.35-12.98-22.4716.932.98-13.316.3414.8628.865.37-3.0715.2423.69-3.746.52-11.9811.595.37
20Q4 (6)16.49-6.8413.1816.44-4.7-22.345.527.39-11.685.544.9228.8424.612.29-20.41-13.550.7333.51
20Q3 (5)17.7014.1945.3217.252.25-24.285.14-12.44-31.195.28-2.0432.3324.06-0.04-29.17-13.65-6.5639.36
20Q2 (4)15.50-16.260.016.87-13.620.05.8719.310.05.3915.670.024.078.230.0-12.81-1.180.0
20Q1 (3)18.5127.040.019.53-7.750.04.92-21.280.04.668.370.022.24-28.070.0-12.6637.880.0
19Q4 (2)14.5719.620.021.17-7.070.06.25-16.330.04.307.770.030.92-8.980.0-20.389.460.0
19Q3 (1)12.180.00.022.780.00.07.470.00.03.990.00.033.970.00.0-22.510.00.0
平均收帳天數和平均銷貨天數-近10年
應收帳款周轉率 YoY存貨周轉率 YoY平均收帳天數 YoY平圴銷貨天數 YoY應付帳款付現天數 YoY淨營業週期(日) YoY
2023 (10)42.64-8.1863.395.978.568.915.76-5.5731.06-3.09-16.740
2022 (9)46.44-6.4859.82-3.247.866.946.103.3932.059.39-18.090
2021 (8)49.66-28.2961.82-16.677.3539.475.9019.9229.3023.37-16.050
2020 (7)69.255.5874.19-17.855.27-5.224.9221.7823.75-9.83-13.560
2019 (6)65.5916.0790.311.775.56-13.934.04-1.726.34-12.05-16.730
2018 (5)56.51-7.9888.747.636.468.754.11-7.2229.953.63-19.380
2017 (4)61.41-9.0482.453.655.949.84.43-3.4928.9014.27-18.530
2016 (3)67.51-16.6379.556.845.4119.964.59-6.3325.2914.07-15.300
2015 (2)80.98-4.6274.466.634.514.884.90-6.3122.17-1.51-12.760
2014 (1)84.9023.3569.8312.614.30-18.875.23-11.2122.51-14.67-12.990

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