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
24Q3 (20)0.58-19.44-9.3817.0713.6510.99156.7024.259.645.33-12.05-9.9714.23-15.93.42147.8028.229.42
24Q2 (19)0.729.099.0915.0231.64-7.34126.12-8.71-9.016.06-24.068.0216.92-11.3725.24115.27-9.27-11.82
24Q1 (18)0.66-4.350.011.41-13.03-28.01138.164.290.587.9815.1539.0219.099.0915.98127.054.220.31
23Q4 (17)0.697.81-8.013.12-14.69-13.57132.48-7.39.456.9317.0615.517.5027.1812.25121.91-9.759.39
23Q3 (16)0.64-3.038.4715.38-5.12-5.76142.923.11-7.465.925.536.0913.761.85-5.49135.083.34-7.14
23Q2 (15)0.660.08.216.212.27-14.37138.610.9-7.445.61-2.2616.6313.51-17.92-30.18130.723.21-3.31
23Q1 (14)0.66-12.0-8.3315.854.41-31.71137.3713.498.45.74-4.3346.4316.465.58-22.65126.6613.6515.82
22Q4 (13)0.7527.125.6315.18-6.99-33.65121.04-21.63-6.116.007.5350.7515.597.07-17.34111.45-23.38-2.26
22Q3 (12)0.59-3.28-29.7616.32-13.79-42.27154.443.1342.125.5816.0173.2914.56-24.754.15145.467.5948.57
22Q2 (11)0.61-15.28-31.4618.93-18.44-46.68149.7518.1747.154.8122.787.8919.35-9.0749.65135.2023.6347.91
22Q1 (10)0.721.410.023.211.44-31.09126.72-1.70.813.92-1.5145.1921.2812.8361.09109.36-4.1-5.06
21Q4 (9)0.71-15.48-2.7422.88-19.07-8.52128.9118.633.633.9823.69.3418.8634.9128.74114.0316.460.58
21Q3 (8)0.84-5.6216.6728.27-20.3714.97108.676.78-13.843.2225.78-12.9713.988.12-6.5597.917.11-14.76
21Q2 (7)0.8923.61-2.235.505.472.5101.77-19.041.252.56-5.19-42.0812.93-2.122.1391.41-20.64-0.93
21Q1 (6)0.72-1.3735.8533.6834.67168.37125.701.05-26.472.70-25.82-62.7613.21-9.83-36.18115.191.61-26.86
20Q4 (5)0.731.390.025.011.7165.41124.39-1.380.233.64-1.62-39.5314.65-2.07-39.51113.37-1.317.04
20Q3 (4)0.72-20.880.024.5919.480.0126.1325.490.03.70-16.290.014.9618.170.0114.8724.490.0
20Q2 (3)0.9171.70.020.5863.980.0100.51-41.210.04.42-39.030.012.66-38.840.092.27-41.410.0
20Q1 (2)0.53-27.40.012.55-17.00.0170.9537.740.07.2520.430.020.70-14.530.0157.4948.70.0
19Q4 (1)0.730.00.015.120.00.0124.110.00.06.020.00.024.220.00.0105.910.00.0
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)2.612.7653.84-24.39139.66-2.966.7832.1618.46-14.18127.980.35
2022 (9)2.54-21.671.21-29.9143.9227.625.1342.921.5119.24127.5329.7
2021 (8)3.2427.56101.5839.13112.77-21.453.59-28.218.04-6.5398.33-23.93
2020 (7)2.54-5.2273.0110.65143.575.245.00-9.5819.30-26.59129.2711.76
2019 (6)2.68-8.5365.98-8.68136.429.615.539.526.29-15.33115.6717.48
2018 (5)2.93-4.8772.25-5.31124.465.145.055.6531.05-2.798.467.89
2017 (4)3.0812.8276.30-14.26118.38-11.414.7816.5931.9117.3291.26-17.43
2016 (3)2.734.288.9936.36133.63-4.154.10-26.6527.200.48110.53-6.29
2015 (2)2.62-13.2565.2612.59139.4215.185.59-11.2727.078.32117.9515.24
2014 (1)3.023.4257.9619.09121.05-3.216.30-16.024.99-20.19102.351.08

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