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)1.78-10.55-5.820.425.0-22.2250.9911.775.88215.20-5.1727.7621.81-28.63-30.14244.390.9831.83
24Q2 (19)1.99-14.9613.070.40-13.04-35.4845.6217.37-11.86226.9414.954.130.56-32.85-26.66242.0126.7953.79
24Q1 (18)2.341.7432.20.46-23.33-51.0638.87-1.87-24.54197.5130.06105.0645.5121.173.08190.8724.0184.1
23Q4 (17)2.3021.6951.320.6011.11-41.1839.61-17.75-33.9151.86-9.8469.9437.5620.3114.97153.91-16.9831.99
23Q3 (16)1.897.399.880.54-12.9-45.4548.16-6.96-8.87168.4414.3783.1531.22-25.0819.21185.3817.8156.27
23Q2 (15)1.76-0.562.330.62-34.04-20.5151.760.49-2.1147.2752.926.4641.67-5.6220.96157.3651.7716.67
23Q1 (14)1.7716.45-5.350.94-7.8413.2551.51-14.046.0596.327.79-12.6344.1535.1422.43103.68-11.09-15.54
22Q4 (13)1.52-11.63-23.231.023.039.6859.9213.3830.4989.36-2.84-8.4232.6724.744.08116.61-1.74.02
22Q3 (12)1.720.0-6.010.9926.9225.3252.85-0.046.191.97-21.03-19.9126.19-23.98-22.79118.63-12.05-9.26
22Q2 (11)1.72-8.02-16.50.78-6.02-2.552.878.8519.7116.465.642.9334.45-4.46-23.33134.889.8820.03
22Q1 (10)1.87-5.56-11.790.83-10.75-3.4948.575.7713.24110.2412.974.4736.0614.88-35.81122.759.533.09
21Q4 (9)1.988.2-12.00.9317.72-24.3945.92-7.8113.3897.58-15.0332.2431.39-7.46-25.58112.10-14.2555.46
21Q3 (8)1.83-11.17-20.090.79-1.25-42.3449.8112.7725.37114.841.572.9833.92-24.520.41130.7316.3467.71
21Q2 (7)2.06-2.83-10.430.80-6.98-16.6744.172.9811.79113.147.2218.7844.93-20.0245.4112.3721.848.2
21Q1 (6)2.12-5.78-9.40.86-30.081.1842.895.910.4105.5243.0-1.0956.1833.1917.3692.2327.9-5.57
20Q4 (5)2.25-1.75-3.021.23-10.221.6540.501.943.3273.7911.15-1.8142.1849.7313.0572.11-7.49-6.4
20Q3 (4)2.29-0.430.01.3742.710.039.730.560.066.39-30.30.028.17-8.830.077.95-24.940.0
20Q2 (3)2.30-1.710.00.9612.940.039.511.70.095.25-10.710.030.90-35.450.0103.856.330.0
20Q1 (2)2.340.860.00.85-29.750.038.85-0.890.0106.6841.960.047.8728.30.097.6726.780.0
19Q4 (1)2.320.00.01.210.00.039.200.00.075.150.00.037.310.00.077.040.00.0
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)7.654.222.64-33.8347.73-4.02138.4751.3350.1729.37136.0232.75
2022 (9)7.34-17.253.99-5.6749.7320.9191.506.1438.78-4.97102.4618.41
2021 (8)8.87-8.184.23-8.0441.138.8186.218.5540.81-15.0786.5325.08
2020 (7)9.669.44.60-19.337.80-8.5279.4224.0248.0519.5969.186.14
2019 (6)8.83-9.445.70-7.0141.3210.3664.047.6340.1823.1865.181.34
2018 (5)9.753.726.1330.1537.44-3.5559.50-23.1532.62-25.7664.32-11.04
2017 (4)9.403.754.71-3.4838.82-3.6777.423.6143.94-23.5372.3025.61
2016 (3)9.06-5.134.88-6.5140.305.4474.726.9357.467.0857.565.73
2015 (2)9.55-24.865.22-21.2738.2233.1269.8826.8953.6632.5654.4425.73
2014 (1)12.71-16.66.63-9.1828.7119.8255.0710.1840.48-5.9743.3040.17

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